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Finding the Fourth Proportional to 51,761.57, 77,660.58 and 25,484.76

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Solution

The fourth proportional to 51,761.57, 77,660.58 and 25,484.76 is: 38,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.57 : 77,660.58 = 25,484.76 : x
  2. Step 2: Convert to fraction form
    51,761.57/77,660.58 = 25,484.76/x
  3. Step 3: Cross multiply
    51,761.57x = 77,660.58 × 25,484.76
  4. Step 4: Simplify right side
    51,761.57x = 1,979,161,242.76
  5. Step 5: Solve for x
    x = 1,979,161,242.76/51,761.57
  6. Step 6: Final answer
    x = 38,236.12

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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.