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Finding the Fourth Proportional to 61,976.88, 92,970.72 and 17,604

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Solution

The fourth proportional to 61,976.88, 92,970.72 and 17,604 is: 26,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.88 : 92,970.72 = 17,604 : x
  2. Step 2: Convert to fraction form
    61,976.88/92,970.72 = 17,604/x
  3. Step 3: Cross multiply
    61,976.88x = 92,970.72 × 17,604
  4. Step 4: Simplify right side
    61,976.88x = 1,636,656,554.88
  5. Step 5: Solve for x
    x = 1,636,656,554.88/61,976.88
  6. Step 6: Final answer
    x = 26,407.53

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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.