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Finding the Fourth Proportional to 5,550.59, 7,658.01 and 3,957.46

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Solution

The fourth proportional to 5,550.59, 7,658.01 and 3,957.46 is: 5,460.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.59 : 7,658.01 = 3,957.46 : x
  2. Step 2: Convert to fraction form
    5,550.59/7,658.01 = 3,957.46/x
  3. Step 3: Cross multiply
    5,550.59x = 7,658.01 × 3,957.46
  4. Step 4: Simplify right side
    5,550.59x = 30,306,249.11
  5. Step 5: Solve for x
    x = 30,306,249.11/5,550.59
  6. Step 6: Final answer
    x = 5,460.00

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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.