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Finding the Fourth Proportional to 57,251.34, 85,877.15 and 15,698.34

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Solution

The fourth proportional to 57,251.34, 85,877.15 and 15,698.34 is: 23,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.34 : 85,877.15 = 15,698.34 : x
  2. Step 2: Convert to fraction form
    57,251.34/85,877.15 = 15,698.34/x
  3. Step 3: Cross multiply
    57,251.34x = 85,877.15 × 15,698.34
  4. Step 4: Simplify right side
    57,251.34x = 1,348,128,620.44
  5. Step 5: Solve for x
    x = 1,348,128,620.44/57,251.34
  6. Step 6: Final answer
    x = 23,547.55

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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.