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Finding the Fourth Proportional to 63,970.65, 95,953.26 and 21,854.52

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Solution

The fourth proportional to 63,970.65, 95,953.26 and 21,854.52 is: 32,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.65 : 95,953.26 = 21,854.52 : x
  2. Step 2: Convert to fraction form
    63,970.65/95,953.26 = 21,854.52/x
  3. Step 3: Cross multiply
    63,970.65x = 95,953.26 × 21,854.52
  4. Step 4: Simplify right side
    63,970.65x = 2,097,012,439.74
  5. Step 5: Solve for x
    x = 2,097,012,439.74/63,970.65
  6. Step 6: Final answer
    x = 32,780.85

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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.