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Finding the Fourth Proportional to 8,366.73, 11,545.25 and 4,831.08

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Solution

The fourth proportional to 8,366.73, 11,545.25 and 4,831.08 is: 6,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.73 : 11,545.25 = 4,831.08 : x
  2. Step 2: Convert to fraction form
    8,366.73/11,545.25 = 4,831.08/x
  3. Step 3: Cross multiply
    8,366.73x = 11,545.25 × 4,831.08
  4. Step 4: Simplify right side
    8,366.73x = 55,775,958.92
  5. Step 5: Solve for x
    x = 55,775,958.92/8,366.73
  6. Step 6: Final answer
    x = 6,666.40

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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.