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Finding the Fourth Proportional to 9,615.11, 13,250.52 and 6,625.53

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Solution

The fourth proportional to 9,615.11, 13,250.52 and 6,625.53 is: 9,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.11 : 13,250.52 = 6,625.53 : x
  2. Step 2: Convert to fraction form
    9,615.11/13,250.52 = 6,625.53/x
  3. Step 3: Cross multiply
    9,615.11x = 13,250.52 × 6,625.53
  4. Step 4: Simplify right side
    9,615.11x = 87,791,717.78
  5. Step 5: Solve for x
    x = 87,791,717.78/9,615.11
  6. Step 6: Final answer
    x = 9,130.60

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Half scale
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Double scale
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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.