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Finding the Fourth Proportional to 74,007.60, 110,946.60 and 44,437.20

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Solution

The fourth proportional to 74,007.60, 110,946.60 and 44,437.20 is: 66,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,007.60 : 110,946.60 = 44,437.20 : x
  2. Step 2: Convert to fraction form
    74,007.60/110,946.60 = 44,437.20/x
  3. Step 3: Cross multiply
    74,007.60x = 110,946.60 × 44,437.20
  4. Step 4: Simplify right side
    74,007.60x = 4,930,156,253.52
  5. Step 5: Solve for x
    x = 4,930,156,253.52/74,007.60
  6. Step 6: Final answer
    x = 66,616.89

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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.