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Finding the Fourth Proportional to 12,748.44, 17,593.95 and 7,444.96

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Solution

The fourth proportional to 12,748.44, 17,593.95 and 7,444.96 is: 10,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.44 : 17,593.95 = 7,444.96 : x
  2. Step 2: Convert to fraction form
    12,748.44/17,593.95 = 7,444.96/x
  3. Step 3: Cross multiply
    12,748.44x = 17,593.95 × 7,444.96
  4. Step 4: Simplify right side
    12,748.44x = 130,986,303.90
  5. Step 5: Solve for x
    x = 130,986,303.90/12,748.44
  6. Step 6: Final answer
    x = 10,274.70

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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.