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Finding the Fourth Proportional to 12,752.88, 17,594.18 and 9,403.69

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Solution

The fourth proportional to 12,752.88, 17,594.18 and 9,403.69 is: 12,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.88 : 17,594.18 = 9,403.69 : x
  2. Step 2: Convert to fraction form
    12,752.88/17,594.18 = 9,403.69/x
  3. Step 3: Cross multiply
    12,752.88x = 17,594.18 × 9,403.69
  4. Step 4: Simplify right side
    12,752.88x = 165,450,126.55
  5. Step 5: Solve for x
    x = 165,450,126.55/12,752.88
  6. Step 6: Final answer
    x = 12,973.55

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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.