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Finding the Fourth Proportional to 29,491.40, 40,697.80 and 16,062.62

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Solution

The fourth proportional to 29,491.40, 40,697.80 and 16,062.62 is: 22,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,491.40 : 40,697.80 = 16,062.62 : x
  2. Step 2: Convert to fraction form
    29,491.40/40,697.80 = 16,062.62/x
  3. Step 3: Cross multiply
    29,491.40x = 40,697.80 × 16,062.62
  4. Step 4: Simplify right side
    29,491.40x = 653,713,296.24
  5. Step 5: Solve for x
    x = 653,713,296.24/29,491.40
  6. Step 6: Final answer
    x = 22,166.23

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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.