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Finding the Fourth Proportional to 71,589.55, 98,843 and 44,744.12

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Solution

The fourth proportional to 71,589.55, 98,843 and 44,744.12 is: 61,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,589.55 : 98,843 = 44,744.12 : x
  2. Step 2: Convert to fraction form
    71,589.55/98,843 = 44,744.12/x
  3. Step 3: Cross multiply
    71,589.55x = 98,843 × 44,744.12
  4. Step 4: Simplify right side
    71,589.55x = 4,422,643,053.16
  5. Step 5: Solve for x
    x = 4,422,643,053.16/71,589.55
  6. Step 6: Final answer
    x = 61,777.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.