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Finding the Fourth Proportional to 15,293.40, 22,940.10 and 4,906.20

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Solution

The fourth proportional to 15,293.40, 22,940.10 and 4,906.20 is: 7,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.40 : 22,940.10 = 4,906.20 : x
  2. Step 2: Convert to fraction form
    15,293.40/22,940.10 = 4,906.20/x
  3. Step 3: Cross multiply
    15,293.40x = 22,940.10 × 4,906.20
  4. Step 4: Simplify right side
    15,293.40x = 112,548,718.62
  5. Step 5: Solve for x
    x = 112,548,718.62/15,293.40
  6. Step 6: Final answer
    x = 7,359.30

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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.