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Finding the Fourth Proportional to 36,129.84, 49,870.71 and 25,377.30

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Solution

The fourth proportional to 36,129.84, 49,870.71 and 25,377.30 is: 35,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.84 : 49,870.71 = 25,377.30 : x
  2. Step 2: Convert to fraction form
    36,129.84/49,870.71 = 25,377.30/x
  3. Step 3: Cross multiply
    36,129.84x = 49,870.71 × 25,377.30
  4. Step 4: Simplify right side
    36,129.84x = 1,265,583,968.88
  5. Step 5: Solve for x
    x = 1,265,583,968.88/36,129.84
  6. Step 6: Final answer
    x = 35,028.77

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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.