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Finding the Fourth Proportional to 59,738.91, 89,610.48 and 20,290.89

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Solution

The fourth proportional to 59,738.91, 89,610.48 and 20,290.89 is: 30,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,738.91 : 89,610.48 = 20,290.89 : x
  2. Step 2: Convert to fraction form
    59,738.91/89,610.48 = 20,290.89/x
  3. Step 3: Cross multiply
    59,738.91x = 89,610.48 × 20,290.89
  4. Step 4: Simplify right side
    59,738.91x = 1,818,276,392.53
  5. Step 5: Solve for x
    x = 1,818,276,392.53/59,738.91
  6. Step 6: Final answer
    x = 30,437.05

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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.