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Finding the Fourth Proportional to 23,220.08, 34,823.64 and 7,425.08

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Solution

The fourth proportional to 23,220.08, 34,823.64 and 7,425.08 is: 11,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.08 : 34,823.64 = 7,425.08 : x
  2. Step 2: Convert to fraction form
    23,220.08/34,823.64 = 7,425.08/x
  3. Step 3: Cross multiply
    23,220.08x = 34,823.64 × 7,425.08
  4. Step 4: Simplify right side
    23,220.08x = 258,568,312.89
  5. Step 5: Solve for x
    x = 258,568,312.89/23,220.08
  6. Step 6: Final answer
    x = 11,135.55

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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.