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Finding the Fourth Proportional to 8,545.95, 11,775.92 and 6,304.28

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Solution

The fourth proportional to 8,545.95, 11,775.92 and 6,304.28 is: 8,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.95 : 11,775.92 = 6,304.28 : x
  2. Step 2: Convert to fraction form
    8,545.95/11,775.92 = 6,304.28/x
  3. Step 3: Cross multiply
    8,545.95x = 11,775.92 × 6,304.28
  4. Step 4: Simplify right side
    8,545.95x = 74,238,606.54
  5. Step 5: Solve for x
    x = 74,238,606.54/8,545.95
  6. Step 6: Final answer
    x = 8,686.99

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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.