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Finding the Fourth Proportional to 73,488.52, 110,232.54 and 20,898.76

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Solution

The fourth proportional to 73,488.52, 110,232.54 and 20,898.76 is: 31,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,488.52 : 110,232.54 = 20,898.76 : x
  2. Step 2: Convert to fraction form
    73,488.52/110,232.54 = 20,898.76/x
  3. Step 3: Cross multiply
    73,488.52x = 110,232.54 × 20,898.76
  4. Step 4: Simplify right side
    73,488.52x = 2,303,723,397.65
  5. Step 5: Solve for x
    x = 2,303,723,397.65/73,488.52
  6. Step 6: Final answer
    x = 31,348.07

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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.