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Finding the Fourth Proportional to 64,909.76, 97,376.48 and 29,848.50

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Solution

The fourth proportional to 64,909.76, 97,376.48 and 29,848.50 is: 44,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.76 : 97,376.48 = 29,848.50 : x
  2. Step 2: Convert to fraction form
    64,909.76/97,376.48 = 29,848.50/x
  3. Step 3: Cross multiply
    64,909.76x = 97,376.48 × 29,848.50
  4. Step 4: Simplify right side
    64,909.76x = 2,906,541,825.97
  5. Step 5: Solve for x
    x = 2,906,541,825.97/64,909.76
  6. Step 6: Final answer
    x = 44,778.20

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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.