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Finding the Fourth Proportional to 29,490.81, 40,697.81 and 16,062.33

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Solution

The fourth proportional to 29,490.81, 40,697.81 and 16,062.33 is: 22,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.81 : 40,697.81 = 16,062.33 : x
  2. Step 2: Convert to fraction form
    29,490.81/40,697.81 = 16,062.33/x
  3. Step 3: Cross multiply
    29,490.81x = 40,697.81 × 16,062.33
  4. Step 4: Simplify right side
    29,490.81x = 653,701,574.19
  5. Step 5: Solve for x
    x = 653,701,574.19/29,490.81
  6. Step 6: Final answer
    x = 22,166.28

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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.