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Finding the Fourth Proportional to 42,666.48, 63,969.48 and 16,366.32

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Solution

The fourth proportional to 42,666.48, 63,969.48 and 16,366.32 is: 24,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.48 : 63,969.48 = 16,366.32 : x
  2. Step 2: Convert to fraction form
    42,666.48/63,969.48 = 16,366.32/x
  3. Step 3: Cross multiply
    42,666.48x = 63,969.48 × 16,366.32
  4. Step 4: Simplify right side
    42,666.48x = 1,046,944,979.91
  5. Step 5: Solve for x
    x = 1,046,944,979.91/42,666.48
  6. Step 6: Final answer
    x = 24,537.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.