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Finding the Fourth Proportional to 29,513.16, 40,728.02 and 16,084.58

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Solution

The fourth proportional to 29,513.16, 40,728.02 and 16,084.58 is: 22,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513.16 : 40,728.02 = 16,084.58 : x
  2. Step 2: Convert to fraction form
    29,513.16/40,728.02 = 16,084.58/x
  3. Step 3: Cross multiply
    29,513.16x = 40,728.02 × 16,084.58
  4. Step 4: Simplify right side
    29,513.16x = 655,092,811.87
  5. Step 5: Solve for x
    x = 655,092,811.87/29,513.16
  6. Step 6: Final answer
    x = 22,196.63

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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.