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Finding the Fourth Proportional to 52,750.76, 79,123.38 and 13,308.24

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Solution

The fourth proportional to 52,750.76, 79,123.38 and 13,308.24 is: 19,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.76 : 79,123.38 = 13,308.24 : x
  2. Step 2: Convert to fraction form
    52,750.76/79,123.38 = 13,308.24/x
  3. Step 3: Cross multiply
    52,750.76x = 79,123.38 × 13,308.24
  4. Step 4: Simplify right side
    52,750.76x = 1,052,992,930.65
  5. Step 5: Solve for x
    x = 1,052,992,930.65/52,750.76
  6. Step 6: Final answer
    x = 19,961.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.