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Finding the Fourth Proportional to 48,402.48, 72,551.88 and 16,782.24

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Solution

The fourth proportional to 48,402.48, 72,551.88 and 16,782.24 is: 25,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402.48 : 72,551.88 = 16,782.24 : x
  2. Step 2: Convert to fraction form
    48,402.48/72,551.88 = 16,782.24/x
  3. Step 3: Cross multiply
    48,402.48x = 72,551.88 × 16,782.24
  4. Step 4: Simplify right side
    48,402.48x = 1,217,583,062.61
  5. Step 5: Solve for x
    x = 1,217,583,062.61/48,402.48
  6. Step 6: Final answer
    x = 25,155.39

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1.5x scale

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.