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Finding the Fourth Proportional to 87,330.59, 130,995.87 and 37,378.29

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Solution

The fourth proportional to 87,330.59, 130,995.87 and 37,378.29 is: 56,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330.59 : 130,995.87 = 37,378.29 : x
  2. Step 2: Convert to fraction form
    87,330.59/130,995.87 = 37,378.29/x
  3. Step 3: Cross multiply
    87,330.59x = 130,995.87 × 37,378.29
  4. Step 4: Simplify right side
    87,330.59x = 4,896,401,968.73
  5. Step 5: Solve for x
    x = 4,896,401,968.73/87,330.59
  6. Step 6: Final answer
    x = 56,067.43

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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.