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Finding the Fourth Proportional to 57,443.62, 86,165.46 and 26,257

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Solution

The fourth proportional to 57,443.62, 86,165.46 and 26,257 is: 39,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.62 : 86,165.46 = 26,257 : x
  2. Step 2: Convert to fraction form
    57,443.62/86,165.46 = 26,257/x
  3. Step 3: Cross multiply
    57,443.62x = 86,165.46 × 26,257
  4. Step 4: Simplify right side
    57,443.62x = 2,262,446,483.22
  5. Step 5: Solve for x
    x = 2,262,446,483.22/57,443.62
  6. Step 6: Final answer
    x = 39,385.51

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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.