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Finding the Fourth Proportional to 8,554.80, 11,806.08 and 5,018.32

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Solution

The fourth proportional to 8,554.80, 11,806.08 and 5,018.32 is: 6,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.80 : 11,806.08 = 5,018.32 : x
  2. Step 2: Convert to fraction form
    8,554.80/11,806.08 = 5,018.32/x
  3. Step 3: Cross multiply
    8,554.80x = 11,806.08 × 5,018.32
  4. Step 4: Simplify right side
    8,554.80x = 59,246,687.39
  5. Step 5: Solve for x
    x = 59,246,687.39/8,554.80
  6. Step 6: Final answer
    x = 6,925.55

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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.