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Finding the Fourth Proportional to 9,969.84, 14,952.24 and 3,395.76

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Solution

The fourth proportional to 9,969.84, 14,952.24 and 3,395.76 is: 5,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.84 : 14,952.24 = 3,395.76 : x
  2. Step 2: Convert to fraction form
    9,969.84/14,952.24 = 3,395.76/x
  3. Step 3: Cross multiply
    9,969.84x = 14,952.24 × 3,395.76
  4. Step 4: Simplify right side
    9,969.84x = 50,774,218.50
  5. Step 5: Solve for x
    x = 50,774,218.50/9,969.84
  6. Step 6: Final answer
    x = 5,092.78

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1.5x scale

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.