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Finding the Fourth Proportional to 6,341.51, 8,750.27 and 3,981.98

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Solution

The fourth proportional to 6,341.51, 8,750.27 and 3,981.98 is: 5,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.51 : 8,750.27 = 3,981.98 : x
  2. Step 2: Convert to fraction form
    6,341.51/8,750.27 = 3,981.98/x
  3. Step 3: Cross multiply
    6,341.51x = 8,750.27 × 3,981.98
  4. Step 4: Simplify right side
    6,341.51x = 34,843,402.10
  5. Step 5: Solve for x
    x = 34,843,402.10/6,341.51
  6. Step 6: Final answer
    x = 5,494.49

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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.