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Finding the Fourth Proportional to 6,672.40, 10,030.20 and 6,283.60

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Solution

The fourth proportional to 6,672.40, 10,030.20 and 6,283.60 is: 9,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.40 : 10,030.20 = 6,283.60 : x
  2. Step 2: Convert to fraction form
    6,672.40/10,030.20 = 6,283.60/x
  3. Step 3: Cross multiply
    6,672.40x = 10,030.20 × 6,283.60
  4. Step 4: Simplify right side
    6,672.40x = 63,025,764.72
  5. Step 5: Solve for x
    x = 63,025,764.72/6,672.40
  6. Step 6: Final answer
    x = 9,445.74

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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.