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Finding the Fourth Proportional to 57,987.84, 80,020.98 and 32,837.40

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Solution

The fourth proportional to 57,987.84, 80,020.98 and 32,837.40 is: 45,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.84 : 80,020.98 = 32,837.40 : x
  2. Step 2: Convert to fraction form
    57,987.84/80,020.98 = 32,837.40/x
  3. Step 3: Cross multiply
    57,987.84x = 80,020.98 × 32,837.40
  4. Step 4: Simplify right side
    57,987.84x = 2,627,680,928.65
  5. Step 5: Solve for x
    x = 2,627,680,928.65/57,987.84
  6. Step 6: Final answer
    x = 45,314.34

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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.