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Finding the Fourth Proportional to 10,493.19, 15,710.36 and 5,551.65

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Solution

The fourth proportional to 10,493.19, 15,710.36 and 5,551.65 is: 8,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493.19 : 15,710.36 = 5,551.65 : x
  2. Step 2: Convert to fraction form
    10,493.19/15,710.36 = 5,551.65/x
  3. Step 3: Cross multiply
    10,493.19x = 15,710.36 × 5,551.65
  4. Step 4: Simplify right side
    10,493.19x = 87,218,392.34
  5. Step 5: Solve for x
    x = 87,218,392.34/10,493.19
  6. Step 6: Final answer
    x = 8,311.90

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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.