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Finding the Fourth Proportional to 6,892.70, 9,513.45 and 4,204.51

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Solution

The fourth proportional to 6,892.70, 9,513.45 and 4,204.51 is: 5,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.70 : 9,513.45 = 4,204.51 : x
  2. Step 2: Convert to fraction form
    6,892.70/9,513.45 = 4,204.51/x
  3. Step 3: Cross multiply
    6,892.70x = 9,513.45 × 4,204.51
  4. Step 4: Simplify right side
    6,892.70x = 39,999,371.88
  5. Step 5: Solve for x
    x = 39,999,371.88/6,892.70
  6. Step 6: Final answer
    x = 5,803.15

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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.