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Finding the Fourth Proportional to 11,558.61, 15,950.61 and 6,522.69

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Solution

The fourth proportional to 11,558.61, 15,950.61 and 6,522.69 is: 9,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.61 : 15,950.61 = 6,522.69 : x
  2. Step 2: Convert to fraction form
    11,558.61/15,950.61 = 6,522.69/x
  3. Step 3: Cross multiply
    11,558.61x = 15,950.61 × 6,522.69
  4. Step 4: Simplify right side
    11,558.61x = 104,040,884.34
  5. Step 5: Solve for x
    x = 104,040,884.34/11,558.61
  6. Step 6: Final answer
    x = 9,001.16

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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.