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Finding the Fourth Proportional to 8,650.03, 11,934.84 and 5,291.62

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Solution

The fourth proportional to 8,650.03, 11,934.84 and 5,291.62 is: 7,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.03 : 11,934.84 = 5,291.62 : x
  2. Step 2: Convert to fraction form
    8,650.03/11,934.84 = 5,291.62/x
  3. Step 3: Cross multiply
    8,650.03x = 11,934.84 × 5,291.62
  4. Step 4: Simplify right side
    8,650.03x = 63,154,638.04
  5. Step 5: Solve for x
    x = 63,154,638.04/8,650.03
  6. Step 6: Final answer
    x = 7,301.09

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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.