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Finding the Fourth Proportional to 29,308.40, 43,879.80 and 22,810.40

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Solution

The fourth proportional to 29,308.40, 43,879.80 and 22,810.40 is: 34,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,308.40 : 43,879.80 = 22,810.40 : x
  2. Step 2: Convert to fraction form
    29,308.40/43,879.80 = 22,810.40/x
  3. Step 3: Cross multiply
    29,308.40x = 43,879.80 × 22,810.40
  4. Step 4: Simplify right side
    29,308.40x = 1,000,915,789.92
  5. Step 5: Solve for x
    x = 1,000,915,789.92/29,308.40
  6. Step 6: Final answer
    x = 34,151.16

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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.