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Finding the Fourth Proportional to 42,537.61, 63,807.02 and 16,243.80

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Solution

The fourth proportional to 42,537.61, 63,807.02 and 16,243.80 is: 24,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.61 : 63,807.02 = 16,243.80 : x
  2. Step 2: Convert to fraction form
    42,537.61/63,807.02 = 16,243.80/x
  3. Step 3: Cross multiply
    42,537.61x = 63,807.02 × 16,243.80
  4. Step 4: Simplify right side
    42,537.61x = 1,036,468,471.48
  5. Step 5: Solve for x
    x = 1,036,468,471.48/42,537.61
  6. Step 6: Final answer
    x = 24,365.93

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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.