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Finding the Fourth Proportional to 8,039.71, 12,002.93 and 6,943.51

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Solution

The fourth proportional to 8,039.71, 12,002.93 and 6,943.51 is: 10,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.71 : 12,002.93 = 6,943.51 : x
  2. Step 2: Convert to fraction form
    8,039.71/12,002.93 = 6,943.51/x
  3. Step 3: Cross multiply
    8,039.71x = 12,002.93 × 6,943.51
  4. Step 4: Simplify right side
    8,039.71x = 83,342,464.48
  5. Step 5: Solve for x
    x = 83,342,464.48/8,039.71
  6. Step 6: Final answer
    x = 10,366.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.