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Finding the Fourth Proportional to 71,804.88, 107,707.38 and 34,356.12

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Solution

The fourth proportional to 71,804.88, 107,707.38 and 34,356.12 is: 51,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804.88 : 107,707.38 = 34,356.12 : x
  2. Step 2: Convert to fraction form
    71,804.88/107,707.38 = 34,356.12/x
  3. Step 3: Cross multiply
    71,804.88x = 107,707.38 × 34,356.12
  4. Step 4: Simplify right side
    71,804.88x = 3,700,407,672.17
  5. Step 5: Solve for x
    x = 3,700,407,672.17/71,804.88
  6. Step 6: Final answer
    x = 51,534.21

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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.