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Finding the Fourth Proportional to 9,061.52, 12,500.63 and 6,410.39

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Solution

The fourth proportional to 9,061.52, 12,500.63 and 6,410.39 is: 8,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.52 : 12,500.63 = 6,410.39 : x
  2. Step 2: Convert to fraction form
    9,061.52/12,500.63 = 6,410.39/x
  3. Step 3: Cross multiply
    9,061.52x = 12,500.63 × 6,410.39
  4. Step 4: Simplify right side
    9,061.52x = 80,133,913.55
  5. Step 5: Solve for x
    x = 80,133,913.55/9,061.52
  6. Step 6: Final answer
    x = 8,843.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.