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Finding the Fourth Proportional to 52,351.84, 72,243.92 and 29,692.88

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Solution

The fourth proportional to 52,351.84, 72,243.92 and 29,692.88 is: 40,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,351.84 : 72,243.92 = 29,692.88 : x
  2. Step 2: Convert to fraction form
    52,351.84/72,243.92 = 29,692.88/x
  3. Step 3: Cross multiply
    52,351.84x = 72,243.92 × 29,692.88
  4. Step 4: Simplify right side
    52,351.84x = 2,145,130,047.29
  5. Step 5: Solve for x
    x = 2,145,130,047.29/52,351.84
  6. Step 6: Final answer
    x = 40,975.26

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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.