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Finding the Fourth Proportional to 57,967.80, 86,951.70 and 16,415.16

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Solution

The fourth proportional to 57,967.80, 86,951.70 and 16,415.16 is: 24,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,967.80 : 86,951.70 = 16,415.16 : x
  2. Step 2: Convert to fraction form
    57,967.80/86,951.70 = 16,415.16/x
  3. Step 3: Cross multiply
    57,967.80x = 86,951.70 × 16,415.16
  4. Step 4: Simplify right side
    57,967.80x = 1,427,326,067.77
  5. Step 5: Solve for x
    x = 1,427,326,067.77/57,967.80
  6. Step 6: Final answer
    x = 24,622.74

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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.