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Finding the Fourth Proportional to 29,042.52, 43,545.06 and 12,413.40

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Solution

The fourth proportional to 29,042.52, 43,545.06 and 12,413.40 is: 18,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042.52 : 43,545.06 = 12,413.40 : x
  2. Step 2: Convert to fraction form
    29,042.52/43,545.06 = 12,413.40/x
  3. Step 3: Cross multiply
    29,042.52x = 43,545.06 × 12,413.40
  4. Step 4: Simplify right side
    29,042.52x = 540,542,247.80
  5. Step 5: Solve for x
    x = 540,542,247.80/29,042.52
  6. Step 6: Final answer
    x = 18,612.10

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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.