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Finding the Fourth Proportional to 63,876.48, 95,774.56 and 19,488.48

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Solution

The fourth proportional to 63,876.48, 95,774.56 and 19,488.48 is: 29,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.48 : 95,774.56 = 19,488.48 : x
  2. Step 2: Convert to fraction form
    63,876.48/95,774.56 = 19,488.48/x
  3. Step 3: Cross multiply
    63,876.48x = 95,774.56 × 19,488.48
  4. Step 4: Simplify right side
    63,876.48x = 1,866,500,597.07
  5. Step 5: Solve for x
    x = 1,866,500,597.07/63,876.48
  6. Step 6: Final answer
    x = 29,220.47

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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.