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Finding the Fourth Proportional to 9,064.85, 12,510.05 and 5,086.22

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Solution

The fourth proportional to 9,064.85, 12,510.05 and 5,086.22 is: 7,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.85 : 12,510.05 = 5,086.22 : x
  2. Step 2: Convert to fraction form
    9,064.85/12,510.05 = 5,086.22/x
  3. Step 3: Cross multiply
    9,064.85x = 12,510.05 × 5,086.22
  4. Step 4: Simplify right side
    9,064.85x = 63,628,778.53
  5. Step 5: Solve for x
    x = 63,628,778.53/9,064.85
  6. Step 6: Final answer
    x = 7,019.29

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Half scale
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Double scale
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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.