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Finding the Fourth Proportional to 9,952.96, 14,908.80 and 6,822.40

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Solution

The fourth proportional to 9,952.96, 14,908.80 and 6,822.40 is: 10,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,952.96 : 14,908.80 = 6,822.40 : x
  2. Step 2: Convert to fraction form
    9,952.96/14,908.80 = 6,822.40/x
  3. Step 3: Cross multiply
    9,952.96x = 14,908.80 × 6,822.40
  4. Step 4: Simplify right side
    9,952.96x = 101,713,797.12
  5. Step 5: Solve for x
    x = 101,713,797.12/9,952.96
  6. Step 6: Final answer
    x = 10,219.45

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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.