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Finding the Fourth Proportional to 2,900.18, 4,349.34 and 951.92

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Solution

The fourth proportional to 2,900.18, 4,349.34 and 951.92 is: 1,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.18 : 4,349.34 = 951.92 : x
  2. Step 2: Convert to fraction form
    2,900.18/4,349.34 = 951.92/x
  3. Step 3: Cross multiply
    2,900.18x = 4,349.34 × 951.92
  4. Step 4: Simplify right side
    2,900.18x = 4,140,223.73
  5. Step 5: Solve for x
    x = 4,140,223.73/2,900.18
  6. Step 6: Final answer
    x = 1,427.57

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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.