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Finding the Fourth Proportional to 2,916.95, 4,354.12 and 2,529.66

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Solution

The fourth proportional to 2,916.95, 4,354.12 and 2,529.66 is: 3,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.95 : 4,354.12 = 2,529.66 : x
  2. Step 2: Convert to fraction form
    2,916.95/4,354.12 = 2,529.66/x
  3. Step 3: Cross multiply
    2,916.95x = 4,354.12 × 2,529.66
  4. Step 4: Simplify right side
    2,916.95x = 11,014,462.69
  5. Step 5: Solve for x
    x = 11,014,462.69/2,916.95
  6. Step 6: Final answer
    x = 3,776.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.