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Finding the Fourth Proportional to 58,722.48, 88,000.92 and 45,513

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Solution

The fourth proportional to 58,722.48, 88,000.92 and 45,513 is: 68,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.48 : 88,000.92 = 45,513 : x
  2. Step 2: Convert to fraction form
    58,722.48/88,000.92 = 45,513/x
  3. Step 3: Cross multiply
    58,722.48x = 88,000.92 × 45,513
  4. Step 4: Simplify right side
    58,722.48x = 4,005,185,871.96
  5. Step 5: Solve for x
    x = 4,005,185,871.96/58,722.48
  6. Step 6: Final answer
    x = 68,205.33

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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.