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Finding the Fourth Proportional to 15,693.52, 23,543.52 and 5,305.12

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Solution

The fourth proportional to 15,693.52, 23,543.52 and 5,305.12 is: 7,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.52 : 23,543.52 = 5,305.12 : x
  2. Step 2: Convert to fraction form
    15,693.52/23,543.52 = 5,305.12/x
  3. Step 3: Cross multiply
    15,693.52x = 23,543.52 × 5,305.12
  4. Step 4: Simplify right side
    15,693.52x = 124,901,198.82
  5. Step 5: Solve for x
    x = 124,901,198.82/15,693.52
  6. Step 6: Final answer
    x = 7,958.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.