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Finding the Fourth Proportional to 52,036.89, 71,810.88 and 29,680.89

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Solution

The fourth proportional to 52,036.89, 71,810.88 and 29,680.89 is: 40,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,036.89 : 71,810.88 = 29,680.89 : x
  2. Step 2: Convert to fraction form
    52,036.89/71,810.88 = 29,680.89/x
  3. Step 3: Cross multiply
    52,036.89x = 71,810.88 × 29,680.89
  4. Step 4: Simplify right side
    52,036.89x = 2,131,410,830.08
  5. Step 5: Solve for x
    x = 2,131,410,830.08/52,036.89
  6. Step 6: Final answer
    x = 40,959.61

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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.