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Finding the Fourth Proportional to 9,061.60, 13,570.80 and 5,562.40

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Solution

The fourth proportional to 9,061.60, 13,570.80 and 5,562.40 is: 8,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.60 : 13,570.80 = 5,562.40 : x
  2. Step 2: Convert to fraction form
    9,061.60/13,570.80 = 5,562.40/x
  3. Step 3: Cross multiply
    9,061.60x = 13,570.80 × 5,562.40
  4. Step 4: Simplify right side
    9,061.60x = 75,486,217.92
  5. Step 5: Solve for x
    x = 75,486,217.92/9,061.60
  6. Step 6: Final answer
    x = 8,330.34

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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.