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Finding the Fourth Proportional to 5,871.70, 8,804.67 and 2,906.72

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Solution

The fourth proportional to 5,871.70, 8,804.67 and 2,906.72 is: 4,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.70 : 8,804.67 = 2,906.72 : x
  2. Step 2: Convert to fraction form
    5,871.70/8,804.67 = 2,906.72/x
  3. Step 3: Cross multiply
    5,871.70x = 8,804.67 × 2,906.72
  4. Step 4: Simplify right side
    5,871.70x = 25,592,710.38
  5. Step 5: Solve for x
    x = 25,592,710.38/5,871.70
  6. Step 6: Final answer
    x = 4,358.65

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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.