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Finding the Fourth Proportional to 6,332.53, 8,729.62 and 4,438.40

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Solution

The fourth proportional to 6,332.53, 8,729.62 and 4,438.40 is: 6,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.53 : 8,729.62 = 4,438.40 : x
  2. Step 2: Convert to fraction form
    6,332.53/8,729.62 = 4,438.40/x
  3. Step 3: Cross multiply
    6,332.53x = 8,729.62 × 4,438.40
  4. Step 4: Simplify right side
    6,332.53x = 38,745,515.63
  5. Step 5: Solve for x
    x = 38,745,515.63/6,332.53
  6. Step 6: Final answer
    x = 6,118.49

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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.