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Finding the Fourth Proportional to 12,752.75, 17,593.88 and 9,403.52

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Solution

The fourth proportional to 12,752.75, 17,593.88 and 9,403.52 is: 12,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.75 : 17,593.88 = 9,403.52 : x
  2. Step 2: Convert to fraction form
    12,752.75/17,593.88 = 9,403.52/x
  3. Step 3: Cross multiply
    12,752.75x = 17,593.88 × 9,403.52
  4. Step 4: Simplify right side
    12,752.75x = 165,444,267.47
  5. Step 5: Solve for x
    x = 165,444,267.47/12,752.75
  6. Step 6: Final answer
    x = 12,973.23

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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.