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Finding the Fourth Proportional to 12,752.75, 17,596.07 and 7,445.16

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Solution

The fourth proportional to 12,752.75, 17,596.07 and 7,445.16 is: 10,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.75 : 17,596.07 = 7,445.16 : x
  2. Step 2: Convert to fraction form
    12,752.75/17,596.07 = 7,445.16/x
  3. Step 3: Cross multiply
    12,752.75x = 17,596.07 × 7,445.16
  4. Step 4: Simplify right side
    12,752.75x = 131,005,547.21
  5. Step 5: Solve for x
    x = 131,005,547.21/12,752.75
  6. Step 6: Final answer
    x = 10,272.73

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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.