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Finding the Fourth Proportional to 12,935.93, 17,841.74 and 9,750.20

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Solution

The fourth proportional to 12,935.93, 17,841.74 and 9,750.20 is: 13,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.93 : 17,841.74 = 9,750.20 : x
  2. Step 2: Convert to fraction form
    12,935.93/17,841.74 = 9,750.20/x
  3. Step 3: Cross multiply
    12,935.93x = 17,841.74 × 9,750.20
  4. Step 4: Simplify right side
    12,935.93x = 173,960,395.39
  5. Step 5: Solve for x
    x = 173,960,395.39/12,935.93
  6. Step 6: Final answer
    x = 13,447.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.