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Finding the Fourth Proportional to 23,878.74, 35,820.36 and 9,839.70

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Solution

The fourth proportional to 23,878.74, 35,820.36 and 9,839.70 is: 14,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.74 : 35,820.36 = 9,839.70 : x
  2. Step 2: Convert to fraction form
    23,878.74/35,820.36 = 9,839.70/x
  3. Step 3: Cross multiply
    23,878.74x = 35,820.36 × 9,839.70
  4. Step 4: Simplify right side
    23,878.74x = 352,461,596.29
  5. Step 5: Solve for x
    x = 352,461,596.29/23,878.74
  6. Step 6: Final answer
    x = 14,760.48

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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.