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Finding the Fourth Proportional to 10,594.80, 15,890.99 and 4,748.22

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Solution

The fourth proportional to 10,594.80, 15,890.99 and 4,748.22 is: 7,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,594.80 : 15,890.99 = 4,748.22 : x
  2. Step 2: Convert to fraction form
    10,594.80/15,890.99 = 4,748.22/x
  3. Step 3: Cross multiply
    10,594.80x = 15,890.99 × 4,748.22
  4. Step 4: Simplify right side
    10,594.80x = 75,453,892.80
  5. Step 5: Solve for x
    x = 75,453,892.80/10,594.80
  6. Step 6: Final answer
    x = 7,121.79

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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.