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Finding the Fourth Proportional to 5,557.60, 8,292.92 and 5,425.84

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Solution

The fourth proportional to 5,557.60, 8,292.92 and 5,425.84 is: 8,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.60 : 8,292.92 = 5,425.84 : x
  2. Step 2: Convert to fraction form
    5,557.60/8,292.92 = 5,425.84/x
  3. Step 3: Cross multiply
    5,557.60x = 8,292.92 × 5,425.84
  4. Step 4: Simplify right side
    5,557.60x = 44,996,057.05
  5. Step 5: Solve for x
    x = 44,996,057.05/5,557.60
  6. Step 6: Final answer
    x = 8,096.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.