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Finding the Fourth Proportional to 57,191.04, 78,962.08 and 35,713.44

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Solution

The fourth proportional to 57,191.04, 78,962.08 and 35,713.44 is: 49,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.04 : 78,962.08 = 35,713.44 : x
  2. Step 2: Convert to fraction form
    57,191.04/78,962.08 = 35,713.44/x
  3. Step 3: Cross multiply
    57,191.04x = 78,962.08 × 35,713.44
  4. Step 4: Simplify right side
    57,191.04x = 2,820,007,506.36
  5. Step 5: Solve for x
    x = 2,820,007,506.36/57,191.04
  6. Step 6: Final answer
    x = 49,308.55

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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.