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Finding the Fourth Proportional to 64,862.94, 89,512.44 and 36,182.39

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Solution

The fourth proportional to 64,862.94, 89,512.44 and 36,182.39 is: 49,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.94 : 89,512.44 = 36,182.39 : x
  2. Step 2: Convert to fraction form
    64,862.94/89,512.44 = 36,182.39/x
  3. Step 3: Cross multiply
    64,862.94x = 89,512.44 × 36,182.39
  4. Step 4: Simplify right side
    64,862.94x = 3,238,774,013.93
  5. Step 5: Solve for x
    x = 3,238,774,013.93/64,862.94
  6. Step 6: Final answer
    x = 49,932.58

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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.