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Finding the Fourth Proportional to 37,295.80, 55,943.84 and 15,109.60

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Solution

The fourth proportional to 37,295.80, 55,943.84 and 15,109.60 is: 22,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,295.80 : 55,943.84 = 15,109.60 : x
  2. Step 2: Convert to fraction form
    37,295.80/55,943.84 = 15,109.60/x
  3. Step 3: Cross multiply
    37,295.80x = 55,943.84 × 15,109.60
  4. Step 4: Simplify right side
    37,295.80x = 845,289,044.86
  5. Step 5: Solve for x
    x = 845,289,044.86/37,295.80
  6. Step 6: Final answer
    x = 22,664.46

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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.