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Finding the Fourth Proportional to 64,302.75, 88,737.84 and 36,009.09

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Solution

The fourth proportional to 64,302.75, 88,737.84 and 36,009.09 is: 49,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302.75 : 88,737.84 = 36,009.09 : x
  2. Step 2: Convert to fraction form
    64,302.75/88,737.84 = 36,009.09/x
  3. Step 3: Cross multiply
    64,302.75x = 88,737.84 × 36,009.09
  4. Step 4: Simplify right side
    64,302.75x = 3,195,368,866.97
  5. Step 5: Solve for x
    x = 3,195,368,866.97/64,302.75
  6. Step 6: Final answer
    x = 49,692.57

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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.