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Finding the Fourth Proportional to 2,994.66, 4,492.93 and 1,240.49

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Solution

The fourth proportional to 2,994.66, 4,492.93 and 1,240.49 is: 1,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.66 : 4,492.93 = 1,240.49 : x
  2. Step 2: Convert to fraction form
    2,994.66/4,492.93 = 1,240.49/x
  3. Step 3: Cross multiply
    2,994.66x = 4,492.93 × 1,240.49
  4. Step 4: Simplify right side
    2,994.66x = 5,573,444.29
  5. Step 5: Solve for x
    x = 5,573,444.29/2,994.66
  6. Step 6: Final answer
    x = 1,861.13

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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.