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Finding the Fourth Proportional to 79,570.76, 109,810.44 and 43,763.52

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Solution

The fourth proportional to 79,570.76, 109,810.44 and 43,763.52 is: 60,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,570.76 : 109,810.44 = 43,763.52 : x
  2. Step 2: Convert to fraction form
    79,570.76/109,810.44 = 43,763.52/x
  3. Step 3: Cross multiply
    79,570.76x = 109,810.44 × 43,763.52
  4. Step 4: Simplify right side
    79,570.76x = 4,805,691,387.15
  5. Step 5: Solve for x
    x = 4,805,691,387.15/79,570.76
  6. Step 6: Final answer
    x = 60,395.19

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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.