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Finding the Fourth Proportional to 7,792.53, 10,753.32 and 4,434.87

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Solution

The fourth proportional to 7,792.53, 10,753.32 and 4,434.87 is: 6,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.53 : 10,753.32 = 4,434.87 : x
  2. Step 2: Convert to fraction form
    7,792.53/10,753.32 = 4,434.87/x
  3. Step 3: Cross multiply
    7,792.53x = 10,753.32 × 4,434.87
  4. Step 4: Simplify right side
    7,792.53x = 47,689,576.27
  5. Step 5: Solve for x
    x = 47,689,576.27/7,792.53
  6. Step 6: Final answer
    x = 6,119.91

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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.