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Finding the Fourth Proportional to 4,960.80, 7,397.37 and 4,916.28

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Solution

The fourth proportional to 4,960.80, 7,397.37 and 4,916.28 is: 7,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.80 : 7,397.37 = 4,916.28 : x
  2. Step 2: Convert to fraction form
    4,960.80/7,397.37 = 4,916.28/x
  3. Step 3: Cross multiply
    4,960.80x = 7,397.37 × 4,916.28
  4. Step 4: Simplify right side
    4,960.80x = 36,367,542.18
  5. Step 5: Solve for x
    x = 36,367,542.18/4,960.80
  6. Step 6: Final answer
    x = 7,330.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.