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Finding the Fourth Proportional to 27,062.61, 40,592.98 and 12,261.17

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Solution

The fourth proportional to 27,062.61, 40,592.98 and 12,261.17 is: 18,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.61 : 40,592.98 = 12,261.17 : x
  2. Step 2: Convert to fraction form
    27,062.61/40,592.98 = 12,261.17/x
  3. Step 3: Cross multiply
    27,062.61x = 40,592.98 × 12,261.17
  4. Step 4: Simplify right side
    27,062.61x = 497,717,545.40
  5. Step 5: Solve for x
    x = 497,717,545.40/27,062.61
  6. Step 6: Final answer
    x = 18,391.34

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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.