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Finding the Fourth Proportional to 29,358.75, 44,009.15 and 18,798.71

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Solution

The fourth proportional to 29,358.75, 44,009.15 and 18,798.71 is: 28,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358.75 : 44,009.15 = 18,798.71 : x
  2. Step 2: Convert to fraction form
    29,358.75/44,009.15 = 18,798.71/x
  3. Step 3: Cross multiply
    29,358.75x = 44,009.15 × 18,798.71
  4. Step 4: Simplify right side
    29,358.75x = 827,314,934.16
  5. Step 5: Solve for x
    x = 827,314,934.16/29,358.75
  6. Step 6: Final answer
    x = 28,179.50

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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.