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Finding the Fourth Proportional to 20,641.18, 30,964.02 and 6,597.94

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Solution

The fourth proportional to 20,641.18, 30,964.02 and 6,597.94 is: 9,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641.18 : 30,964.02 = 6,597.94 : x
  2. Step 2: Convert to fraction form
    20,641.18/30,964.02 = 6,597.94/x
  3. Step 3: Cross multiply
    20,641.18x = 30,964.02 × 6,597.94
  4. Step 4: Simplify right side
    20,641.18x = 204,298,746.12
  5. Step 5: Solve for x
    x = 204,298,746.12/20,641.18
  6. Step 6: Final answer
    x = 9,897.63

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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.