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Finding the Fourth Proportional to 8,952.99, 12,354.96 and 4,974

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Solution

The fourth proportional to 8,952.99, 12,354.96 and 4,974 is: 6,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.99 : 12,354.96 = 4,974 : x
  2. Step 2: Convert to fraction form
    8,952.99/12,354.96 = 4,974/x
  3. Step 3: Cross multiply
    8,952.99x = 12,354.96 × 4,974
  4. Step 4: Simplify right side
    8,952.99x = 61,453,571.04
  5. Step 5: Solve for x
    x = 61,453,571.04/8,952.99
  6. Step 6: Final answer
    x = 6,864.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.