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Finding the Fourth Proportional to 18,367.70, 27,547.34 and 8,998.34

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Solution

The fourth proportional to 18,367.70, 27,547.34 and 8,998.34 is: 13,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.70 : 27,547.34 = 8,998.34 : x
  2. Step 2: Convert to fraction form
    18,367.70/27,547.34 = 8,998.34/x
  3. Step 3: Cross multiply
    18,367.70x = 27,547.34 × 8,998.34
  4. Step 4: Simplify right side
    18,367.70x = 247,880,331.42
  5. Step 5: Solve for x
    x = 247,880,331.42/18,367.70
  6. Step 6: Final answer
    x = 13,495.45

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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.