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Finding the Fourth Proportional to 34,724.77, 47,920.02 and 18,809.25

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Solution

The fourth proportional to 34,724.77, 47,920.02 and 18,809.25 is: 25,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.77 : 47,920.02 = 18,809.25 : x
  2. Step 2: Convert to fraction form
    34,724.77/47,920.02 = 18,809.25/x
  3. Step 3: Cross multiply
    34,724.77x = 47,920.02 × 18,809.25
  4. Step 4: Simplify right side
    34,724.77x = 901,339,385.95
  5. Step 5: Solve for x
    x = 901,339,385.95/34,724.77
  6. Step 6: Final answer
    x = 25,956.67

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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.