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Finding the Fourth Proportional to 29,205.91, 40,298.10 and 18,591.67

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Solution

The fourth proportional to 29,205.91, 40,298.10 and 18,591.67 is: 25,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.91 : 40,298.10 = 18,591.67 : x
  2. Step 2: Convert to fraction form
    29,205.91/40,298.10 = 18,591.67/x
  3. Step 3: Cross multiply
    29,205.91x = 40,298.10 × 18,591.67
  4. Step 4: Simplify right side
    29,205.91x = 749,208,775.34
  5. Step 5: Solve for x
    x = 749,208,775.34/29,205.91
  6. Step 6: Final answer
    x = 25,652.65

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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.