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Finding the Fourth Proportional to 9,663.93, 14,491.74 and 5,505.87

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Solution

The fourth proportional to 9,663.93, 14,491.74 and 5,505.87 is: 8,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.93 : 14,491.74 = 5,505.87 : x
  2. Step 2: Convert to fraction form
    9,663.93/14,491.74 = 5,505.87/x
  3. Step 3: Cross multiply
    9,663.93x = 14,491.74 × 5,505.87
  4. Step 4: Simplify right side
    9,663.93x = 79,789,636.51
  5. Step 5: Solve for x
    x = 79,789,636.51/9,663.93
  6. Step 6: Final answer
    x = 8,256.44

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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.