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Finding the Fourth Proportional to 61,177.92, 91,802.64 and 25,636.20

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Solution

The fourth proportional to 61,177.92, 91,802.64 and 25,636.20 is: 38,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,177.92 : 91,802.64 = 25,636.20 : x
  2. Step 2: Convert to fraction form
    61,177.92/91,802.64 = 25,636.20/x
  3. Step 3: Cross multiply
    61,177.92x = 91,802.64 × 25,636.20
  4. Step 4: Simplify right side
    61,177.92x = 2,353,470,839.57
  5. Step 5: Solve for x
    x = 2,353,470,839.57/61,177.92
  6. Step 6: Final answer
    x = 38,469.28

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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.