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Finding the Fourth Proportional to 10,671.57, 15,994.40 and 7,552.49

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Solution

The fourth proportional to 10,671.57, 15,994.40 and 7,552.49 is: 11,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.57 : 15,994.40 = 7,552.49 : x
  2. Step 2: Convert to fraction form
    10,671.57/15,994.40 = 7,552.49/x
  3. Step 3: Cross multiply
    10,671.57x = 15,994.40 × 7,552.49
  4. Step 4: Simplify right side
    10,671.57x = 120,797,497.74
  5. Step 5: Solve for x
    x = 120,797,497.74/10,671.57
  6. Step 6: Final answer
    x = 11,319.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.