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Finding the Fourth Proportional to 6,627.04, 9,940.30 and 1,947.04

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Solution

The fourth proportional to 6,627.04, 9,940.30 and 1,947.04 is: 2,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.04 : 9,940.30 = 1,947.04 : x
  2. Step 2: Convert to fraction form
    6,627.04/9,940.30 = 1,947.04/x
  3. Step 3: Cross multiply
    6,627.04x = 9,940.30 × 1,947.04
  4. Step 4: Simplify right side
    6,627.04x = 19,354,161.71
  5. Step 5: Solve for x
    x = 19,354,161.71/6,627.04
  6. Step 6: Final answer
    x = 2,920.48

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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.