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Finding the Fourth Proportional to 37,220.80, 55,838.40 and 10,926.40

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Solution

The fourth proportional to 37,220.80, 55,838.40 and 10,926.40 is: 16,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.80 : 55,838.40 = 10,926.40 : x
  2. Step 2: Convert to fraction form
    37,220.80/55,838.40 = 10,926.40/x
  3. Step 3: Cross multiply
    37,220.80x = 55,838.40 × 10,926.40
  4. Step 4: Simplify right side
    37,220.80x = 610,112,693.76
  5. Step 5: Solve for x
    x = 610,112,693.76/37,220.80
  6. Step 6: Final answer
    x = 16,391.71

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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.