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Finding the Fourth Proportional to 6,602.67, 9,111.74 and 3,618.77

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Solution

The fourth proportional to 6,602.67, 9,111.74 and 3,618.77 is: 4,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.67 : 9,111.74 = 3,618.77 : x
  2. Step 2: Convert to fraction form
    6,602.67/9,111.74 = 3,618.77/x
  3. Step 3: Cross multiply
    6,602.67x = 9,111.74 × 3,618.77
  4. Step 4: Simplify right side
    6,602.67x = 32,973,227.71
  5. Step 5: Solve for x
    x = 32,973,227.71/6,602.67
  6. Step 6: Final answer
    x = 4,993.92

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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.