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Finding the Fourth Proportional to 64,608.90, 96,920.82 and 17,224.62

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Solution

The fourth proportional to 64,608.90, 96,920.82 and 17,224.62 is: 25,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,608.90 : 96,920.82 = 17,224.62 : x
  2. Step 2: Convert to fraction form
    64,608.90/96,920.82 = 17,224.62/x
  3. Step 3: Cross multiply
    64,608.90x = 96,920.82 × 17,224.62
  4. Step 4: Simplify right side
    64,608.90x = 1,669,424,294.59
  5. Step 5: Solve for x
    x = 1,669,424,294.59/64,608.90
  6. Step 6: Final answer
    x = 25,838.92

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1.5x scale

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.