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Finding the Fourth Proportional to 37,226.89, 51,373.08 and 20,459.89

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Solution

The fourth proportional to 37,226.89, 51,373.08 and 20,459.89 is: 28,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,226.89 : 51,373.08 = 20,459.89 : x
  2. Step 2: Convert to fraction form
    37,226.89/51,373.08 = 20,459.89/x
  3. Step 3: Cross multiply
    37,226.89x = 51,373.08 × 20,459.89
  4. Step 4: Simplify right side
    37,226.89x = 1,051,087,565.76
  5. Step 5: Solve for x
    x = 1,051,087,565.76/37,226.89
  6. Step 6: Final answer
    x = 28,234.63

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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.