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Finding the Fourth Proportional to 12,592.65, 17,370.20 and 9,060.65

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Solution

The fourth proportional to 12,592.65, 17,370.20 and 9,060.65 is: 12,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.65 : 17,370.20 = 9,060.65 : x
  2. Step 2: Convert to fraction form
    12,592.65/17,370.20 = 9,060.65/x
  3. Step 3: Cross multiply
    12,592.65x = 17,370.20 × 9,060.65
  4. Step 4: Simplify right side
    12,592.65x = 157,385,238.43
  5. Step 5: Solve for x
    x = 157,385,238.43/12,592.65
  6. Step 6: Final answer
    x = 12,498.18

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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.