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Finding the Fourth Proportional to 2,999.19, 4,472.55 and 2,835.42

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Solution

The fourth proportional to 2,999.19, 4,472.55 and 2,835.42 is: 4,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.19 : 4,472.55 = 2,835.42 : x
  2. Step 2: Convert to fraction form
    2,999.19/4,472.55 = 2,835.42/x
  3. Step 3: Cross multiply
    2,999.19x = 4,472.55 × 2,835.42
  4. Step 4: Simplify right side
    2,999.19x = 12,681,566.11
  5. Step 5: Solve for x
    x = 12,681,566.11/2,999.19
  6. Step 6: Final answer
    x = 4,228.33

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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.