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Finding the Fourth Proportional to 29,531.81, 40,753.00 and 16,103.32

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Solution

The fourth proportional to 29,531.81, 40,753.00 and 16,103.32 is: 22,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.81 : 40,753.00 = 16,103.32 : x
  2. Step 2: Convert to fraction form
    29,531.81/40,753.00 = 16,103.32/x
  3. Step 3: Cross multiply
    29,531.81x = 40,753.00 × 16,103.32
  4. Step 4: Simplify right side
    29,531.81x = 656,258,656.86
  5. Step 5: Solve for x
    x = 656,258,656.86/29,531.81
  6. Step 6: Final answer
    x = 22,222.10

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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.