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Finding the Fourth Proportional to 8,332.80, 12,485.16 and 5,035.83

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Solution

The fourth proportional to 8,332.80, 12,485.16 and 5,035.83 is: 7,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.80 : 12,485.16 = 5,035.83 : x
  2. Step 2: Convert to fraction form
    8,332.80/12,485.16 = 5,035.83/x
  3. Step 3: Cross multiply
    8,332.80x = 12,485.16 × 5,035.83
  4. Step 4: Simplify right side
    8,332.80x = 62,873,143.28
  5. Step 5: Solve for x
    x = 62,873,143.28/8,332.80
  6. Step 6: Final answer
    x = 7,545.26

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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.