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Finding the Fourth Proportional to 69,510.40, 95,924.48 and 37,679.20

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Solution

The fourth proportional to 69,510.40, 95,924.48 and 37,679.20 is: 51,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,510.40 : 95,924.48 = 37,679.20 : x
  2. Step 2: Convert to fraction form
    69,510.40/95,924.48 = 37,679.20/x
  3. Step 3: Cross multiply
    69,510.40x = 95,924.48 × 37,679.20
  4. Step 4: Simplify right side
    69,510.40x = 3,614,357,666.82
  5. Step 5: Solve for x
    x = 3,614,357,666.82/69,510.40
  6. Step 6: Final answer
    x = 51,997.37

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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.