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Finding the Fourth Proportional to 55,178.91, 82,756.05 and 25,592.91

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Solution

The fourth proportional to 55,178.91, 82,756.05 and 25,592.91 is: 38,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.91 : 82,756.05 = 25,592.91 : x
  2. Step 2: Convert to fraction form
    55,178.91/82,756.05 = 25,592.91/x
  3. Step 3: Cross multiply
    55,178.91x = 82,756.05 × 25,592.91
  4. Step 4: Simplify right side
    55,178.91x = 2,117,968,139.61
  5. Step 5: Solve for x
    x = 2,117,968,139.61/55,178.91
  6. Step 6: Final answer
    x = 38,383.65

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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.