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Finding the Fourth Proportional to 60,345, 90,517.50 and 41,350.91

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Solution

The fourth proportional to 60,345, 90,517.50 and 41,350.91 is: 62,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,345 : 90,517.50 = 41,350.91 : x
  2. Step 2: Convert to fraction form
    60,345/90,517.50 = 41,350.91/x
  3. Step 3: Cross multiply
    60,345x = 90,517.50 × 41,350.91
  4. Step 4: Simplify right side
    60,345x = 3,742,980,543.34
  5. Step 5: Solve for x
    x = 3,742,980,543.34/60,345
  6. Step 6: Final answer
    x = 62,026.36

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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.