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Finding the Fourth Proportional to 34,353.86, 51,764.79 and 28,250.58

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Solution

The fourth proportional to 34,353.86, 51,764.79 and 28,250.58 is: 42,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353.86 : 51,764.79 = 28,250.58 : x
  2. Step 2: Convert to fraction form
    34,353.86/51,764.79 = 28,250.58/x
  3. Step 3: Cross multiply
    34,353.86x = 51,764.79 × 28,250.58
  4. Step 4: Simplify right side
    34,353.86x = 1,462,385,341.08
  5. Step 5: Solve for x
    x = 1,462,385,341.08/34,353.86
  6. Step 6: Final answer
    x = 42,568.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.