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Finding the Fourth Proportional to 5,874.76, 8,856.61 and 5,557.24

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Solution

The fourth proportional to 5,874.76, 8,856.61 and 5,557.24 is: 8,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.76 : 8,856.61 = 5,557.24 : x
  2. Step 2: Convert to fraction form
    5,874.76/8,856.61 = 5,557.24/x
  3. Step 3: Cross multiply
    5,874.76x = 8,856.61 × 5,557.24
  4. Step 4: Simplify right side
    5,874.76x = 49,218,307.36
  5. Step 5: Solve for x
    x = 49,218,307.36/5,874.76
  6. Step 6: Final answer
    x = 8,377.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.