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Finding the Fourth Proportional to 9,663.03, 14,490.90 and 4,112.91

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Solution

The fourth proportional to 9,663.03, 14,490.90 and 4,112.91 is: 6,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.03 : 14,490.90 = 4,112.91 : x
  2. Step 2: Convert to fraction form
    9,663.03/14,490.90 = 4,112.91/x
  3. Step 3: Cross multiply
    9,663.03x = 14,490.90 × 4,112.91
  4. Step 4: Simplify right side
    9,663.03x = 59,599,767.52
  5. Step 5: Solve for x
    x = 59,599,767.52/9,663.03
  6. Step 6: Final answer
    x = 6,167.81

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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.