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Finding the Fourth Proportional to 7,308.70, 10,975.20 and 4,024.15

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Solution

The fourth proportional to 7,308.70, 10,975.20 and 4,024.15 is: 6,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.70 : 10,975.20 = 4,024.15 : x
  2. Step 2: Convert to fraction form
    7,308.70/10,975.20 = 4,024.15/x
  3. Step 3: Cross multiply
    7,308.70x = 10,975.20 × 4,024.15
  4. Step 4: Simplify right side
    7,308.70x = 44,165,851.08
  5. Step 5: Solve for x
    x = 44,165,851.08/7,308.70
  6. Step 6: Final answer
    x = 6,042.91

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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.