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Finding the Fourth Proportional to 9,998.01, 13,794.71 and 6,805.53

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Solution

The fourth proportional to 9,998.01, 13,794.71 and 6,805.53 is: 9,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.01 : 13,794.71 = 6,805.53 : x
  2. Step 2: Convert to fraction form
    9,998.01/13,794.71 = 6,805.53/x
  3. Step 3: Cross multiply
    9,998.01x = 13,794.71 × 6,805.53
  4. Step 4: Simplify right side
    9,998.01x = 93,880,278.72
  5. Step 5: Solve for x
    x = 93,880,278.72/9,998.01
  6. Step 6: Final answer
    x = 9,389.90

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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.