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Finding the Fourth Proportional to 57,415.52, 86,076.81 and 17,952.32

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Solution

The fourth proportional to 57,415.52, 86,076.81 and 17,952.32 is: 26,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.52 : 86,076.81 = 17,952.32 : x
  2. Step 2: Convert to fraction form
    57,415.52/86,076.81 = 17,952.32/x
  3. Step 3: Cross multiply
    57,415.52x = 86,076.81 × 17,952.32
  4. Step 4: Simplify right side
    57,415.52x = 1,545,278,437.70
  5. Step 5: Solve for x
    x = 1,545,278,437.70/57,415.52
  6. Step 6: Final answer
    x = 26,913.95

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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.