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Finding the Fourth Proportional to 6,395.98, 8,829.18 and 4,301.32

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Solution

The fourth proportional to 6,395.98, 8,829.18 and 4,301.32 is: 5,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.98 : 8,829.18 = 4,301.32 : x
  2. Step 2: Convert to fraction form
    6,395.98/8,829.18 = 4,301.32/x
  3. Step 3: Cross multiply
    6,395.98x = 8,829.18 × 4,301.32
  4. Step 4: Simplify right side
    6,395.98x = 37,977,128.52
  5. Step 5: Solve for x
    x = 37,977,128.52/6,395.98
  6. Step 6: Final answer
    x = 5,937.66

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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.