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Finding the Fourth Proportional to 6,763.41, 10,147.95 and 6,218.49

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Solution

The fourth proportional to 6,763.41, 10,147.95 and 6,218.49 is: 9,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.41 : 10,147.95 = 6,218.49 : x
  2. Step 2: Convert to fraction form
    6,763.41/10,147.95 = 6,218.49/x
  3. Step 3: Cross multiply
    6,763.41x = 10,147.95 × 6,218.49
  4. Step 4: Simplify right side
    6,763.41x = 63,104,925.60
  5. Step 5: Solve for x
    x = 63,104,925.60/6,763.41
  6. Step 6: Final answer
    x = 9,330.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.