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Finding the Fourth Proportional to 7,159.55, 10,738.08 and 1,894.61

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Solution

The fourth proportional to 7,159.55, 10,738.08 and 1,894.61 is: 2,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.55 : 10,738.08 = 1,894.61 : x
  2. Step 2: Convert to fraction form
    7,159.55/10,738.08 = 1,894.61/x
  3. Step 3: Cross multiply
    7,159.55x = 10,738.08 × 1,894.61
  4. Step 4: Simplify right side
    7,159.55x = 20,344,500.59
  5. Step 5: Solve for x
    x = 20,344,500.59/7,159.55
  6. Step 6: Final answer
    x = 2,841.59

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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.