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Finding the Fourth Proportional to 3,354.57, 4,623.50 and 2,407.77

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Solution

The fourth proportional to 3,354.57, 4,623.50 and 2,407.77 is: 3,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.57 : 4,623.50 = 2,407.77 : x
  2. Step 2: Convert to fraction form
    3,354.57/4,623.50 = 2,407.77/x
  3. Step 3: Cross multiply
    3,354.57x = 4,623.50 × 2,407.77
  4. Step 4: Simplify right side
    3,354.57x = 11,132,330.61
  5. Step 5: Solve for x
    x = 11,132,330.61/3,354.57
  6. Step 6: Final answer
    x = 3,318.56

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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.