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Finding the Fourth Proportional to 63,973.18, 95,973.54 and 19,603

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Solution

The fourth proportional to 63,973.18, 95,973.54 and 19,603 is: 29,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,973.18 : 95,973.54 = 19,603 : x
  2. Step 2: Convert to fraction form
    63,973.18/95,973.54 = 19,603/x
  3. Step 3: Cross multiply
    63,973.18x = 95,973.54 × 19,603
  4. Step 4: Simplify right side
    63,973.18x = 1,881,369,304.62
  5. Step 5: Solve for x
    x = 1,881,369,304.62/63,973.18
  6. Step 6: Final answer
    x = 29,408.72

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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.