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Finding the Fourth Proportional to 51,848.54, 77,700.48 and 39,187.86

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Solution

The fourth proportional to 51,848.54, 77,700.48 and 39,187.86 is: 58,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,848.54 : 77,700.48 = 39,187.86 : x
  2. Step 2: Convert to fraction form
    51,848.54/77,700.48 = 39,187.86/x
  3. Step 3: Cross multiply
    51,848.54x = 77,700.48 × 39,187.86
  4. Step 4: Simplify right side
    51,848.54x = 3,044,915,695.28
  5. Step 5: Solve for x
    x = 3,044,915,695.28/51,848.54
  6. Step 6: Final answer
    x = 58,727.12

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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.