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Finding the Fourth Proportional to 23,647.78, 35,476.86 and 7,009.12

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Solution

The fourth proportional to 23,647.78, 35,476.86 and 7,009.12 is: 10,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,647.78 : 35,476.86 = 7,009.12 : x
  2. Step 2: Convert to fraction form
    23,647.78/35,476.86 = 7,009.12/x
  3. Step 3: Cross multiply
    23,647.78x = 35,476.86 × 7,009.12
  4. Step 4: Simplify right side
    23,647.78x = 248,661,568.96
  5. Step 5: Solve for x
    x = 248,661,568.96/23,647.78
  6. Step 6: Final answer
    x = 10,515.22

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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.