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Finding the Fourth Proportional to 83,339.58, 115,015.34 and 47,532.32

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Solution

The fourth proportional to 83,339.58, 115,015.34 and 47,532.32 is: 65,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,339.58 : 115,015.34 = 47,532.32 : x
  2. Step 2: Convert to fraction form
    83,339.58/115,015.34 = 47,532.32/x
  3. Step 3: Cross multiply
    83,339.58x = 115,015.34 × 47,532.32
  4. Step 4: Simplify right side
    83,339.58x = 5,466,945,920.85
  5. Step 5: Solve for x
    x = 5,466,945,920.85/83,339.58
  6. Step 6: Final answer
    x = 65,598.43

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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.