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Finding the Fourth Proportional to 4,594, 6,891.72 and 1,516.72

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Solution

The fourth proportional to 4,594, 6,891.72 and 1,516.72 is: 2,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,594 : 6,891.72 = 1,516.72 : x
  2. Step 2: Convert to fraction form
    4,594/6,891.72 = 1,516.72/x
  3. Step 3: Cross multiply
    4,594x = 6,891.72 × 1,516.72
  4. Step 4: Simplify right side
    4,594x = 10,452,809.56
  5. Step 5: Solve for x
    x = 10,452,809.56/4,594
  6. Step 6: Final answer
    x = 2,275.32

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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.