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Finding the Fourth Proportional to 83,697.04, 115,509.04 and 47,404.94

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Solution

The fourth proportional to 83,697.04, 115,509.04 and 47,404.94 is: 65,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,697.04 : 115,509.04 = 47,404.94 : x
  2. Step 2: Convert to fraction form
    83,697.04/115,509.04 = 47,404.94/x
  3. Step 3: Cross multiply
    83,697.04x = 115,509.04 × 47,404.94
  4. Step 4: Simplify right side
    83,697.04x = 5,475,699,110.66
  5. Step 5: Solve for x
    x = 5,475,699,110.66/83,697.04
  6. Step 6: Final answer
    x = 65,422.85

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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.