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Finding the Fourth Proportional to 5,886.96, 8,122.97 and 3,368.72

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Solution

The fourth proportional to 5,886.96, 8,122.97 and 3,368.72 is: 4,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.96 : 8,122.97 = 3,368.72 : x
  2. Step 2: Convert to fraction form
    5,886.96/8,122.97 = 3,368.72/x
  3. Step 3: Cross multiply
    5,886.96x = 8,122.97 × 3,368.72
  4. Step 4: Simplify right side
    5,886.96x = 27,363,954.04
  5. Step 5: Solve for x
    x = 27,363,954.04/5,886.96
  6. Step 6: Final answer
    x = 4,648.24

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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.