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Finding the Fourth Proportional to 9,672.71, 13,349.06 and 5,895.54

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Solution

The fourth proportional to 9,672.71, 13,349.06 and 5,895.54 is: 8,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.71 : 13,349.06 = 5,895.54 : x
  2. Step 2: Convert to fraction form
    9,672.71/13,349.06 = 5,895.54/x
  3. Step 3: Cross multiply
    9,672.71x = 13,349.06 × 5,895.54
  4. Step 4: Simplify right side
    9,672.71x = 78,699,887.71
  5. Step 5: Solve for x
    x = 78,699,887.71/9,672.71
  6. Step 6: Final answer
    x = 8,136.29

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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.