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Finding the Fourth Proportional to 2,952.80, 4,431.93 and 1,492.98

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Solution

The fourth proportional to 2,952.80, 4,431.93 and 1,492.98 is: 2,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.80 : 4,431.93 = 1,492.98 : x
  2. Step 2: Convert to fraction form
    2,952.80/4,431.93 = 1,492.98/x
  3. Step 3: Cross multiply
    2,952.80x = 4,431.93 × 1,492.98
  4. Step 4: Simplify right side
    2,952.80x = 6,616,782.85
  5. Step 5: Solve for x
    x = 6,616,782.85/2,952.80
  6. Step 6: Final answer
    x = 2,240.85

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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.