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Finding the Fourth Proportional to 15,111.69, 22,667.53 and 4,723.44

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Solution

The fourth proportional to 15,111.69, 22,667.53 and 4,723.44 is: 7,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.69 : 22,667.53 = 4,723.44 : x
  2. Step 2: Convert to fraction form
    15,111.69/22,667.53 = 4,723.44/x
  3. Step 3: Cross multiply
    15,111.69x = 22,667.53 × 4,723.44
  4. Step 4: Simplify right side
    15,111.69x = 107,068,706.09
  5. Step 5: Solve for x
    x = 107,068,706.09/15,111.69
  6. Step 6: Final answer
    x = 7,085.16

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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.