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Finding the Fourth Proportional to 7,611.17, 10,503.27 and 4,253.92

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Solution

The fourth proportional to 7,611.17, 10,503.27 and 4,253.92 is: 5,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.17 : 10,503.27 = 4,253.92 : x
  2. Step 2: Convert to fraction form
    7,611.17/10,503.27 = 4,253.92/x
  3. Step 3: Cross multiply
    7,611.17x = 10,503.27 × 4,253.92
  4. Step 4: Simplify right side
    7,611.17x = 44,680,044.06
  5. Step 5: Solve for x
    x = 44,680,044.06/7,611.17
  6. Step 6: Final answer
    x = 5,870.33

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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.