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Finding the Fourth Proportional to 37,873.52, 52,267.74 and 20,877.74

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Solution

The fourth proportional to 37,873.52, 52,267.74 and 20,877.74 is: 28,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,873.52 : 52,267.74 = 20,877.74 : x
  2. Step 2: Convert to fraction form
    37,873.52/52,267.74 = 20,877.74/x
  3. Step 3: Cross multiply
    37,873.52x = 52,267.74 × 20,877.74
  4. Step 4: Simplify right side
    37,873.52x = 1,091,232,286.11
  5. Step 5: Solve for x
    x = 1,091,232,286.11/37,873.52
  6. Step 6: Final answer
    x = 28,812.54

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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.