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Finding the Fourth Proportional to 10,373.87, 15,554.63 and 4,828.44

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Solution

The fourth proportional to 10,373.87, 15,554.63 and 4,828.44 is: 7,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.87 : 15,554.63 = 4,828.44 : x
  2. Step 2: Convert to fraction form
    10,373.87/15,554.63 = 4,828.44/x
  3. Step 3: Cross multiply
    10,373.87x = 15,554.63 × 4,828.44
  4. Step 4: Simplify right side
    10,373.87x = 75,104,668.08
  5. Step 5: Solve for x
    x = 75,104,668.08/10,373.87
  6. Step 6: Final answer
    x = 7,239.79

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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.