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Finding the Fourth Proportional to 69,422.40, 95,802.74 and 37,591.30

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Solution

The fourth proportional to 69,422.40, 95,802.74 and 37,591.30 is: 51,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,422.40 : 95,802.74 = 37,591.30 : x
  2. Step 2: Convert to fraction form
    69,422.40/95,802.74 = 37,591.30/x
  3. Step 3: Cross multiply
    69,422.40x = 95,802.74 × 37,591.30
  4. Step 4: Simplify right side
    69,422.40x = 3,601,349,540.16
  5. Step 5: Solve for x
    x = 3,601,349,540.16/69,422.40
  6. Step 6: Final answer
    x = 51,875.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.