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Finding the Fourth Proportional to 63,648.44, 95,482.99 and 21,531.08

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Solution

The fourth proportional to 63,648.44, 95,482.99 and 21,531.08 is: 32,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.44 : 95,482.99 = 21,531.08 : x
  2. Step 2: Convert to fraction form
    63,648.44/95,482.99 = 21,531.08/x
  3. Step 3: Cross multiply
    63,648.44x = 95,482.99 × 21,531.08
  4. Step 4: Simplify right side
    63,648.44x = 2,055,852,040.84
  5. Step 5: Solve for x
    x = 2,055,852,040.84/63,648.44
  6. Step 6: Final answer
    x = 32,300.12

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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.