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Finding the Fourth Proportional to 58,957.60, 88,378.80 and 52,736.80

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Solution

The fourth proportional to 58,957.60, 88,378.80 and 52,736.80 is: 79,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,957.60 : 88,378.80 = 52,736.80 : x
  2. Step 2: Convert to fraction form
    58,957.60/88,378.80 = 52,736.80/x
  3. Step 3: Cross multiply
    58,957.60x = 88,378.80 × 52,736.80
  4. Step 4: Simplify right side
    58,957.60x = 4,660,815,099.84
  5. Step 5: Solve for x
    x = 4,660,815,099.84/58,957.60
  6. Step 6: Final answer
    x = 79,053.68

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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.