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Finding the Fourth Proportional to 58,572.48, 87,599.52 and 52,040.64

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Solution

The fourth proportional to 58,572.48, 87,599.52 and 52,040.64 is: 77,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.48 : 87,599.52 = 52,040.64 : x
  2. Step 2: Convert to fraction form
    58,572.48/87,599.52 = 52,040.64/x
  3. Step 3: Cross multiply
    58,572.48x = 87,599.52 × 52,040.64
  4. Step 4: Simplify right side
    58,572.48x = 4,558,735,084.49
  5. Step 5: Solve for x
    x = 4,558,735,084.49/58,572.48
  6. Step 6: Final answer
    x = 77,830.67

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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.