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Finding the Fourth Proportional to 7,754.60, 10,701.11 and 4,397.72

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Solution

The fourth proportional to 7,754.60, 10,701.11 and 4,397.72 is: 6,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.60 : 10,701.11 = 4,397.72 : x
  2. Step 2: Convert to fraction form
    7,754.60/10,701.11 = 4,397.72/x
  3. Step 3: Cross multiply
    7,754.60x = 10,701.11 × 4,397.72
  4. Step 4: Simplify right side
    7,754.60x = 47,060,409.98
  5. Step 5: Solve for x
    x = 47,060,409.98/7,754.60
  6. Step 6: Final answer
    x = 6,068.71

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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.