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Finding the Fourth Proportional to 56,543.61, 84,686.23 and 26,982.20

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Solution

The fourth proportional to 56,543.61, 84,686.23 and 26,982.20 is: 40,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,543.61 : 84,686.23 = 26,982.20 : x
  2. Step 2: Convert to fraction form
    56,543.61/84,686.23 = 26,982.20/x
  3. Step 3: Cross multiply
    56,543.61x = 84,686.23 × 26,982.20
  4. Step 4: Simplify right side
    56,543.61x = 2,285,020,660.20
  5. Step 5: Solve for x
    x = 2,285,020,660.20/56,543.61
  6. Step 6: Final answer
    x = 40,411.66

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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.