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Finding the Fourth Proportional to 60,363.59, 90,510.27 and 40,395.90

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Solution

The fourth proportional to 60,363.59, 90,510.27 and 40,395.90 is: 60,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,363.59 : 90,510.27 = 40,395.90 : x
  2. Step 2: Convert to fraction form
    60,363.59/90,510.27 = 40,395.90/x
  3. Step 3: Cross multiply
    60,363.59x = 90,510.27 × 40,395.90
  4. Step 4: Simplify right side
    60,363.59x = 3,656,243,815.89
  5. Step 5: Solve for x
    x = 3,656,243,815.89/60,363.59
  6. Step 6: Final answer
    x = 60,570.36

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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.