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Finding the Fourth Proportional to 67,937.74, 101,802.69 and 28,473.32

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Solution

The fourth proportional to 67,937.74, 101,802.69 and 28,473.32 is: 42,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.74 : 101,802.69 = 28,473.32 : x
  2. Step 2: Convert to fraction form
    67,937.74/101,802.69 = 28,473.32/x
  3. Step 3: Cross multiply
    67,937.74x = 101,802.69 × 28,473.32
  4. Step 4: Simplify right side
    67,937.74x = 2,898,660,823.74
  5. Step 5: Solve for x
    x = 2,898,660,823.74/67,937.74
  6. Step 6: Final answer
    x = 42,666.43

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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.