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Finding the Fourth Proportional to 5,011.52, 6,916.74 and 2,916.86

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Solution

The fourth proportional to 5,011.52, 6,916.74 and 2,916.86 is: 4,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.52 : 6,916.74 = 2,916.86 : x
  2. Step 2: Convert to fraction form
    5,011.52/6,916.74 = 2,916.86/x
  3. Step 3: Cross multiply
    5,011.52x = 6,916.74 × 2,916.86
  4. Step 4: Simplify right side
    5,011.52x = 20,175,162.24
  5. Step 5: Solve for x
    x = 20,175,162.24/5,011.52
  6. Step 6: Final answer
    x = 4,025.76

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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.