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Finding the Fourth Proportional to 11,615.11, 17,445.08 and 9,952.99

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Solution

The fourth proportional to 11,615.11, 17,445.08 and 9,952.99 is: 14,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.11 : 17,445.08 = 9,952.99 : x
  2. Step 2: Convert to fraction form
    11,615.11/17,445.08 = 9,952.99/x
  3. Step 3: Cross multiply
    11,615.11x = 17,445.08 × 9,952.99
  4. Step 4: Simplify right side
    11,615.11x = 173,630,706.79
  5. Step 5: Solve for x
    x = 173,630,706.79/11,615.11
  6. Step 6: Final answer
    x = 14,948.69

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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.