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Finding the Fourth Proportional to 8,618.00, 12,927.47 and 3,684.29

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Solution

The fourth proportional to 8,618.00, 12,927.47 and 3,684.29 is: 5,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.00 : 12,927.47 = 3,684.29 : x
  2. Step 2: Convert to fraction form
    8,618.00/12,927.47 = 3,684.29/x
  3. Step 3: Cross multiply
    8,618.00x = 12,927.47 × 3,684.29
  4. Step 4: Simplify right side
    8,618.00x = 47,628,465.39
  5. Step 5: Solve for x
    x = 47,628,465.39/8,618.00
  6. Step 6: Final answer
    x = 5,526.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.