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Finding the Fourth Proportional to 5,013.08, 6,917.70 and 2,888.48

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Solution

The fourth proportional to 5,013.08, 6,917.70 and 2,888.48 is: 3,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.08 : 6,917.70 = 2,888.48 : x
  2. Step 2: Convert to fraction form
    5,013.08/6,917.70 = 2,888.48/x
  3. Step 3: Cross multiply
    5,013.08x = 6,917.70 × 2,888.48
  4. Step 4: Simplify right side
    5,013.08x = 19,981,638.10
  5. Step 5: Solve for x
    x = 19,981,638.10/5,013.08
  6. Step 6: Final answer
    x = 3,985.90

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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.