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Finding the Fourth Proportional to 2,894.95, 4,341.50 and 1,045.82

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Solution

The fourth proportional to 2,894.95, 4,341.50 and 1,045.82 is: 1,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.95 : 4,341.50 = 1,045.82 : x
  2. Step 2: Convert to fraction form
    2,894.95/4,341.50 = 1,045.82/x
  3. Step 3: Cross multiply
    2,894.95x = 4,341.50 × 1,045.82
  4. Step 4: Simplify right side
    2,894.95x = 4,540,405.82
  5. Step 5: Solve for x
    x = 4,540,405.82/2,894.95
  6. Step 6: Final answer
    x = 1,568.39

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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.