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Finding the Fourth Proportional to 60,508.08, 90,780.54 and 30,946.68

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Solution

The fourth proportional to 60,508.08, 90,780.54 and 30,946.68 is: 46,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508.08 : 90,780.54 = 30,946.68 : x
  2. Step 2: Convert to fraction form
    60,508.08/90,780.54 = 30,946.68/x
  3. Step 3: Cross multiply
    60,508.08x = 90,780.54 × 30,946.68
  4. Step 4: Simplify right side
    60,508.08x = 2,809,356,321.61
  5. Step 5: Solve for x
    x = 2,809,356,321.61/60,508.08
  6. Step 6: Final answer
    x = 46,429.44

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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.