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Finding the Fourth Proportional to 29,482.69, 40,685.17 and 16,053.84

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Solution

The fourth proportional to 29,482.69, 40,685.17 and 16,053.84 is: 22,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482.69 : 40,685.17 = 16,053.84 : x
  2. Step 2: Convert to fraction form
    29,482.69/40,685.17 = 16,053.84/x
  3. Step 3: Cross multiply
    29,482.69x = 40,685.17 × 16,053.84
  4. Step 4: Simplify right side
    29,482.69x = 653,153,209.55
  5. Step 5: Solve for x
    x = 653,153,209.55/29,482.69
  6. Step 6: Final answer
    x = 22,153.79

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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.