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Finding the Fourth Proportional to 49,004.40, 68,458.20 and 49,004.40

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Solution

The fourth proportional to 49,004.40, 68,458.20 and 49,004.40 is: 68,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,004.40 : 68,458.20 = 49,004.40 : x
  2. Step 2: Convert to fraction form
    49,004.40/68,458.20 = 49,004.40/x
  3. Step 3: Cross multiply
    49,004.40x = 68,458.20 × 49,004.40
  4. Step 4: Simplify right side
    49,004.40x = 3,354,753,016.08
  5. Step 5: Solve for x
    x = 3,354,753,016.08/49,004.40
  6. Step 6: Final answer
    x = 68,458.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.