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Finding the Fourth Proportional to 8,603.04, 11,865.68 and 5,954.88

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Solution

The fourth proportional to 8,603.04, 11,865.68 and 5,954.88 is: 8,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.04 : 11,865.68 = 5,954.88 : x
  2. Step 2: Convert to fraction form
    8,603.04/11,865.68 = 5,954.88/x
  3. Step 3: Cross multiply
    8,603.04x = 11,865.68 × 5,954.88
  4. Step 4: Simplify right side
    8,603.04x = 70,658,700.52
  5. Step 5: Solve for x
    x = 70,658,700.52/8,603.04
  6. Step 6: Final answer
    x = 8,213.22

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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.