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Finding the Fourth Proportional to 63,368.77, 95,074.22 and 21,253

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Solution

The fourth proportional to 63,368.77, 95,074.22 and 21,253 is: 31,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.77 : 95,074.22 = 21,253 : x
  2. Step 2: Convert to fraction form
    63,368.77/95,074.22 = 21,253/x
  3. Step 3: Cross multiply
    63,368.77x = 95,074.22 × 21,253
  4. Step 4: Simplify right side
    63,368.77x = 2,020,612,397.66
  5. Step 5: Solve for x
    x = 2,020,612,397.66/63,368.77
  6. Step 6: Final answer
    x = 31,886.56

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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.