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Finding the Fourth Proportional to 4,942.95, 7,417.16 and 2,023.30

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Solution

The fourth proportional to 4,942.95, 7,417.16 and 2,023.30 is: 3,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.95 : 7,417.16 = 2,023.30 : x
  2. Step 2: Convert to fraction form
    4,942.95/7,417.16 = 2,023.30/x
  3. Step 3: Cross multiply
    4,942.95x = 7,417.16 × 2,023.30
  4. Step 4: Simplify right side
    4,942.95x = 15,007,148.25
  5. Step 5: Solve for x
    x = 15,007,148.25/4,942.95
  6. Step 6: Final answer
    x = 3,036.07

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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.