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Finding the Fourth Proportional to 37,626.60, 51,927.04 and 20,859.60

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Solution

The fourth proportional to 37,626.60, 51,927.04 and 20,859.60 is: 28,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,626.60 : 51,927.04 = 20,859.60 : x
  2. Step 2: Convert to fraction form
    37,626.60/51,927.04 = 20,859.60/x
  3. Step 3: Cross multiply
    37,626.60x = 51,927.04 × 20,859.60
  4. Step 4: Simplify right side
    37,626.60x = 1,083,177,036.71
  5. Step 5: Solve for x
    x = 1,083,177,036.71/37,626.60
  6. Step 6: Final answer
    x = 28,787.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.