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Finding the Fourth Proportional to 6,698.61, 10,048.91 and 6,288.57

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Solution

The fourth proportional to 6,698.61, 10,048.91 and 6,288.57 is: 9,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.61 : 10,048.91 = 6,288.57 : x
  2. Step 2: Convert to fraction form
    6,698.61/10,048.91 = 6,288.57/x
  3. Step 3: Cross multiply
    6,698.61x = 10,048.91 × 6,288.57
  4. Step 4: Simplify right side
    6,698.61x = 63,193,242.52
  5. Step 5: Solve for x
    x = 63,193,242.52/6,698.61
  6. Step 6: Final answer
    x = 9,433.78

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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.