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Finding the Fourth Proportional to 5,018.61, 6,926.19 and 2,894.22

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Solution

The fourth proportional to 5,018.61, 6,926.19 and 2,894.22 is: 3,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.61 : 6,926.19 = 2,894.22 : x
  2. Step 2: Convert to fraction form
    5,018.61/6,926.19 = 2,894.22/x
  3. Step 3: Cross multiply
    5,018.61x = 6,926.19 × 2,894.22
  4. Step 4: Simplify right side
    5,018.61x = 20,045,900.31
  5. Step 5: Solve for x
    x = 20,045,900.31/5,018.61
  6. Step 6: Final answer
    x = 3,994.32

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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.