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Finding the Fourth Proportional to 7,863.66, 10,852.16 and 4,327.02

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Solution

The fourth proportional to 7,863.66, 10,852.16 and 4,327.02 is: 5,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.66 : 10,852.16 = 4,327.02 : x
  2. Step 2: Convert to fraction form
    7,863.66/10,852.16 = 4,327.02/x
  3. Step 3: Cross multiply
    7,863.66x = 10,852.16 × 4,327.02
  4. Step 4: Simplify right side
    7,863.66x = 46,957,491.73
  5. Step 5: Solve for x
    x = 46,957,491.73/7,863.66
  6. Step 6: Final answer
    x = 5,971.45

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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.