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Finding the Fourth Proportional to 12,500.29, 18,750.44 and 3,734.92

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Solution

The fourth proportional to 12,500.29, 18,750.44 and 3,734.92 is: 5,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.29 : 18,750.44 = 3,734.92 : x
  2. Step 2: Convert to fraction form
    12,500.29/18,750.44 = 3,734.92/x
  3. Step 3: Cross multiply
    12,500.29x = 18,750.44 × 3,734.92
  4. Step 4: Simplify right side
    12,500.29x = 70,031,393.36
  5. Step 5: Solve for x
    x = 70,031,393.36/12,500.29
  6. Step 6: Final answer
    x = 5,602.38

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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.