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Finding the Fourth Proportional to 6,693.22, 10,025.25 and 6,618.50

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Solution

The fourth proportional to 6,693.22, 10,025.25 and 6,618.50 is: 9,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.22 : 10,025.25 = 6,618.50 : x
  2. Step 2: Convert to fraction form
    6,693.22/10,025.25 = 6,618.50/x
  3. Step 3: Cross multiply
    6,693.22x = 10,025.25 × 6,618.50
  4. Step 4: Simplify right side
    6,693.22x = 66,352,117.13
  5. Step 5: Solve for x
    x = 66,352,117.13/6,693.22
  6. Step 6: Final answer
    x = 9,913.33

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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.