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Finding the Fourth Proportional to 8,258.76, 11,396.97 and 4,532.76

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Solution

The fourth proportional to 8,258.76, 11,396.97 and 4,532.76 is: 6,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.76 : 11,396.97 = 4,532.76 : x
  2. Step 2: Convert to fraction form
    8,258.76/11,396.97 = 4,532.76/x
  3. Step 3: Cross multiply
    8,258.76x = 11,396.97 × 4,532.76
  4. Step 4: Simplify right side
    8,258.76x = 51,659,729.74
  5. Step 5: Solve for x
    x = 51,659,729.74/8,258.76
  6. Step 6: Final answer
    x = 6,255.14

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Half scale
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Double scale
Find fourth proportional to 8,259.76, 11,398.35 and 4,533.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.