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Finding the Fourth Proportional to 40,354.49, 60,619.32 and 34,127.01

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Solution

The fourth proportional to 40,354.49, 60,619.32 and 34,127.01 is: 51,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.49 : 60,619.32 = 34,127.01 : x
  2. Step 2: Convert to fraction form
    40,354.49/60,619.32 = 34,127.01/x
  3. Step 3: Cross multiply
    40,354.49x = 60,619.32 × 34,127.01
  4. Step 4: Simplify right side
    40,354.49x = 2,068,756,139.83
  5. Step 5: Solve for x
    x = 2,068,756,139.83/40,354.49
  6. Step 6: Final answer
    x = 51,264.58

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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.