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Finding the Fourth Proportional to 23,710.84, 35,570.10 and 7,291

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Solution

The fourth proportional to 23,710.84, 35,570.10 and 7,291 is: 10,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.84 : 35,570.10 = 7,291 : x
  2. Step 2: Convert to fraction form
    23,710.84/35,570.10 = 7,291/x
  3. Step 3: Cross multiply
    23,710.84x = 35,570.10 × 7,291
  4. Step 4: Simplify right side
    23,710.84x = 259,341,599.10
  5. Step 5: Solve for x
    x = 259,341,599.10/23,710.84
  6. Step 6: Final answer
    x = 10,937.68

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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.