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Finding the Fourth Proportional to 42,658.72, 63,864.07 and 24,835.07

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Solution

The fourth proportional to 42,658.72, 63,864.07 and 24,835.07 is: 37,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.72 : 63,864.07 = 24,835.07 : x
  2. Step 2: Convert to fraction form
    42,658.72/63,864.07 = 24,835.07/x
  3. Step 3: Cross multiply
    42,658.72x = 63,864.07 × 24,835.07
  4. Step 4: Simplify right side
    42,658.72x = 1,586,068,746.51
  5. Step 5: Solve for x
    x = 1,586,068,746.51/42,658.72
  6. Step 6: Final answer
    x = 37,180.41

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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.