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Finding the Fourth Proportional to 6,395.55, 8,829.92 and 4,382.37

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Solution

The fourth proportional to 6,395.55, 8,829.92 and 4,382.37 is: 6,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.55 : 8,829.92 = 4,382.37 : x
  2. Step 2: Convert to fraction form
    6,395.55/8,829.92 = 4,382.37/x
  3. Step 3: Cross multiply
    6,395.55x = 8,829.92 × 4,382.37
  4. Step 4: Simplify right side
    6,395.55x = 38,695,954.60
  5. Step 5: Solve for x
    x = 38,695,954.60/6,395.55
  6. Step 6: Final answer
    x = 6,050.45

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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.