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Finding the Fourth Proportional to 4,894.50, 6,754.42 and 2,798.62

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Solution

The fourth proportional to 4,894.50, 6,754.42 and 2,798.62 is: 3,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.50 : 6,754.42 = 2,798.62 : x
  2. Step 2: Convert to fraction form
    4,894.50/6,754.42 = 2,798.62/x
  3. Step 3: Cross multiply
    4,894.50x = 6,754.42 × 2,798.62
  4. Step 4: Simplify right side
    4,894.50x = 18,903,054.90
  5. Step 5: Solve for x
    x = 18,903,054.90/4,894.50
  6. Step 6: Final answer
    x = 3,862.10

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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.