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Finding the Fourth Proportional to 4,445.76, 6,672.06 and 4,217.34

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Solution

The fourth proportional to 4,445.76, 6,672.06 and 4,217.34 is: 6,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.76 : 6,672.06 = 4,217.34 : x
  2. Step 2: Convert to fraction form
    4,445.76/6,672.06 = 4,217.34/x
  3. Step 3: Cross multiply
    4,445.76x = 6,672.06 × 4,217.34
  4. Step 4: Simplify right side
    4,445.76x = 28,138,345.52
  5. Step 5: Solve for x
    x = 28,138,345.52/4,445.76
  6. Step 6: Final answer
    x = 6,329.25

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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.