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Finding the Fourth Proportional to 63,390.19, 95,101.08 and 19,017.82

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Solution

The fourth proportional to 63,390.19, 95,101.08 and 19,017.82 is: 28,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.19 : 95,101.08 = 19,017.82 : x
  2. Step 2: Convert to fraction form
    63,390.19/95,101.08 = 19,017.82/x
  3. Step 3: Cross multiply
    63,390.19x = 95,101.08 × 19,017.82
  4. Step 4: Simplify right side
    63,390.19x = 1,808,615,221.25
  5. Step 5: Solve for x
    x = 1,808,615,221.25/63,390.19
  6. Step 6: Final answer
    x = 28,531.47

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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.