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Finding the Fourth Proportional to 58,945.60, 88,360.80 and 52,724.80

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Solution

The fourth proportional to 58,945.60, 88,360.80 and 52,724.80 is: 79,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,945.60 : 88,360.80 = 52,724.80 : x
  2. Step 2: Convert to fraction form
    58,945.60/88,360.80 = 52,724.80/x
  3. Step 3: Cross multiply
    58,945.60x = 88,360.80 × 52,724.80
  4. Step 4: Simplify right side
    58,945.60x = 4,658,805,507.84
  5. Step 5: Solve for x
    x = 4,658,805,507.84/58,945.60
  6. Step 6: Final answer
    x = 79,035.68

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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.