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Finding the Fourth Proportional to 65,280.52, 97,920.80 and 16,032.52

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Solution

The fourth proportional to 65,280.52, 97,920.80 and 16,032.52 is: 24,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,280.52 : 97,920.80 = 16,032.52 : x
  2. Step 2: Convert to fraction form
    65,280.52/97,920.80 = 16,032.52/x
  3. Step 3: Cross multiply
    65,280.52x = 97,920.80 × 16,032.52
  4. Step 4: Simplify right side
    65,280.52x = 1,569,917,184.42
  5. Step 5: Solve for x
    x = 1,569,917,184.42/65,280.52
  6. Step 6: Final answer
    x = 24,048.78

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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.