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Finding the Fourth Proportional to 8,551.17, 11,806.02 and 6,557.90

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Solution

The fourth proportional to 8,551.17, 11,806.02 and 6,557.90 is: 9,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.17 : 11,806.02 = 6,557.90 : x
  2. Step 2: Convert to fraction form
    8,551.17/11,806.02 = 6,557.90/x
  3. Step 3: Cross multiply
    8,551.17x = 11,806.02 × 6,557.90
  4. Step 4: Simplify right side
    8,551.17x = 77,422,639.53
  5. Step 5: Solve for x
    x = 77,422,639.53/8,551.17
  6. Step 6: Final answer
    x = 9,054.04

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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.