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Finding the Fourth Proportional to 77,251.59, 115,952.30 and 37,298.74

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Solution

The fourth proportional to 77,251.59, 115,952.30 and 37,298.74 is: 55,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251.59 : 115,952.30 = 37,298.74 : x
  2. Step 2: Convert to fraction form
    77,251.59/115,952.30 = 37,298.74/x
  3. Step 3: Cross multiply
    77,251.59x = 115,952.30 × 37,298.74
  4. Step 4: Simplify right side
    77,251.59x = 4,324,874,690.10
  5. Step 5: Solve for x
    x = 4,324,874,690.10/77,251.59
  6. Step 6: Final answer
    x = 55,984.28

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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.