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Finding the Fourth Proportional to 4,666.80, 6,995.70 and 1,892.82

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Solution

The fourth proportional to 4,666.80, 6,995.70 and 1,892.82 is: 2,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.80 : 6,995.70 = 1,892.82 : x
  2. Step 2: Convert to fraction form
    4,666.80/6,995.70 = 1,892.82/x
  3. Step 3: Cross multiply
    4,666.80x = 6,995.70 × 1,892.82
  4. Step 4: Simplify right side
    4,666.80x = 13,241,600.87
  5. Step 5: Solve for x
    x = 13,241,600.87/4,666.80
  6. Step 6: Final answer
    x = 2,837.40

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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.