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Finding the Fourth Proportional to 79,585.88, 109,844.10 and 45,617.13

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Solution

The fourth proportional to 79,585.88, 109,844.10 and 45,617.13 is: 62,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,585.88 : 109,844.10 = 45,617.13 : x
  2. Step 2: Convert to fraction form
    79,585.88/109,844.10 = 45,617.13/x
  3. Step 3: Cross multiply
    79,585.88x = 109,844.10 × 45,617.13
  4. Step 4: Simplify right side
    79,585.88x = 5,010,772,589.43
  5. Step 5: Solve for x
    x = 5,010,772,589.43/79,585.88
  6. Step 6: Final answer
    x = 62,960.58

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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.