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Finding the Fourth Proportional to 48,177.60, 72,289.44 and 37,809.60

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Solution

The fourth proportional to 48,177.60, 72,289.44 and 37,809.60 is: 56,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,177.60 : 72,289.44 = 37,809.60 : x
  2. Step 2: Convert to fraction form
    48,177.60/72,289.44 = 37,809.60/x
  3. Step 3: Cross multiply
    48,177.60x = 72,289.44 × 37,809.60
  4. Step 4: Simplify right side
    48,177.60x = 2,733,234,810.62
  5. Step 5: Solve for x
    x = 2,733,234,810.62/48,177.60
  6. Step 6: Final answer
    x = 56,732.48

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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.