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Finding the Fourth Proportional to 74,553.60, 111,862.80 and 37,617.60

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Solution

The fourth proportional to 74,553.60, 111,862.80 and 37,617.60 is: 56,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,553.60 : 111,862.80 = 37,617.60 : x
  2. Step 2: Convert to fraction form
    74,553.60/111,862.80 = 37,617.60/x
  3. Step 3: Cross multiply
    74,553.60x = 111,862.80 × 37,617.60
  4. Step 4: Simplify right side
    74,553.60x = 4,208,010,065.28
  5. Step 5: Solve for x
    x = 4,208,010,065.28/74,553.60
  6. Step 6: Final answer
    x = 56,442.75

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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.