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Finding the Fourth Proportional to 9,453.66, 13,040.91 and 5,916.12

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Solution

The fourth proportional to 9,453.66, 13,040.91 and 5,916.12 is: 8,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.66 : 13,040.91 = 5,916.12 : x
  2. Step 2: Convert to fraction form
    9,453.66/13,040.91 = 5,916.12/x
  3. Step 3: Cross multiply
    9,453.66x = 13,040.91 × 5,916.12
  4. Step 4: Simplify right side
    9,453.66x = 77,151,588.47
  5. Step 5: Solve for x
    x = 77,151,588.47/9,453.66
  6. Step 6: Final answer
    x = 8,161.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.