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Finding the Fourth Proportional to 85,192.80, 127,788.60 and 22,007.52

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Solution

The fourth proportional to 85,192.80, 127,788.60 and 22,007.52 is: 33,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,192.80 : 127,788.60 = 22,007.52 : x
  2. Step 2: Convert to fraction form
    85,192.80/127,788.60 = 22,007.52/x
  3. Step 3: Cross multiply
    85,192.80x = 127,788.60 × 22,007.52
  4. Step 4: Simplify right side
    85,192.80x = 2,812,310,170.27
  5. Step 5: Solve for x
    x = 2,812,310,170.27/85,192.80
  6. Step 6: Final answer
    x = 33,011.13

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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.