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Finding the Fourth Proportional to 92,797.10, 128,058.62 and 54,560.94

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Solution

The fourth proportional to 92,797.10, 128,058.62 and 54,560.94 is: 75,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,797.10 : 128,058.62 = 54,560.94 : x
  2. Step 2: Convert to fraction form
    92,797.10/128,058.62 = 54,560.94/x
  3. Step 3: Cross multiply
    92,797.10x = 128,058.62 × 54,560.94
  4. Step 4: Simplify right side
    92,797.10x = 6,986,998,682.30
  5. Step 5: Solve for x
    x = 6,986,998,682.30/92,797.10
  6. Step 6: Final answer
    x = 75,293.29

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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.