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Finding the Fourth Proportional to 4,957.79, 7,443.77 and 4,348.85

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Solution

The fourth proportional to 4,957.79, 7,443.77 and 4,348.85 is: 6,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.79 : 7,443.77 = 4,348.85 : x
  2. Step 2: Convert to fraction form
    4,957.79/7,443.77 = 4,348.85/x
  3. Step 3: Cross multiply
    4,957.79x = 7,443.77 × 4,348.85
  4. Step 4: Simplify right side
    4,957.79x = 32,371,780.20
  5. Step 5: Solve for x
    x = 32,371,780.20/4,957.79
  6. Step 6: Final answer
    x = 6,529.48

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1.5x scale

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.