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Finding the Fourth Proportional to 17,770.84, 26,673.54 and 8,543.32

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Solution

The fourth proportional to 17,770.84, 26,673.54 and 8,543.32 is: 12,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.84 : 26,673.54 = 8,543.32 : x
  2. Step 2: Convert to fraction form
    17,770.84/26,673.54 = 8,543.32/x
  3. Step 3: Cross multiply
    17,770.84x = 26,673.54 × 8,543.32
  4. Step 4: Simplify right side
    17,770.84x = 227,880,587.75
  5. Step 5: Solve for x
    x = 227,880,587.75/17,770.84
  6. Step 6: Final answer
    x = 12,823.29

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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.