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Finding the Fourth Proportional to 55,424.88, 83,079.27 and 25,818.30

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Solution

The fourth proportional to 55,424.88, 83,079.27 and 25,818.30 is: 38,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.88 : 83,079.27 = 25,818.30 : x
  2. Step 2: Convert to fraction form
    55,424.88/83,079.27 = 25,818.30/x
  3. Step 3: Cross multiply
    55,424.88x = 83,079.27 × 25,818.30
  4. Step 4: Simplify right side
    55,424.88x = 2,144,965,516.64
  5. Step 5: Solve for x
    x = 2,144,965,516.64/55,424.88
  6. Step 6: Final answer
    x = 38,700.41

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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.