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Finding the Fourth Proportional to 6,602.61, 9,904.98 and 2,158.98

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Solution

The fourth proportional to 6,602.61, 9,904.98 and 2,158.98 is: 3,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.61 : 9,904.98 = 2,158.98 : x
  2. Step 2: Convert to fraction form
    6,602.61/9,904.98 = 2,158.98/x
  3. Step 3: Cross multiply
    6,602.61x = 9,904.98 × 2,158.98
  4. Step 4: Simplify right side
    6,602.61x = 21,384,653.72
  5. Step 5: Solve for x
    x = 21,384,653.72/6,602.61
  6. Step 6: Final answer
    x = 3,238.82

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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.