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Finding the Fourth Proportional to 60,339.20, 90,508.80 and 16,563.20

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Solution

The fourth proportional to 60,339.20, 90,508.80 and 16,563.20 is: 24,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,339.20 : 90,508.80 = 16,563.20 : x
  2. Step 2: Convert to fraction form
    60,339.20/90,508.80 = 16,563.20/x
  3. Step 3: Cross multiply
    60,339.20x = 90,508.80 × 16,563.20
  4. Step 4: Simplify right side
    60,339.20x = 1,499,115,356.16
  5. Step 5: Solve for x
    x = 1,499,115,356.16/60,339.20
  6. Step 6: Final answer
    x = 24,844.80

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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.