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Finding the Fourth Proportional to 74,273.60, 111,424.80 and 37,337.60

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Solution

The fourth proportional to 74,273.60, 111,424.80 and 37,337.60 is: 56,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.60 : 111,424.80 = 37,337.60 : x
  2. Step 2: Convert to fraction form
    74,273.60/111,424.80 = 37,337.60/x
  3. Step 3: Cross multiply
    74,273.60x = 111,424.80 × 37,337.60
  4. Step 4: Simplify right side
    74,273.60x = 4,160,334,612.48
  5. Step 5: Solve for x
    x = 4,160,334,612.48/74,273.60
  6. Step 6: Final answer
    x = 56,013.64

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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.