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Finding the Fourth Proportional to 9,913.81, 14,864.24 and 3,338.23

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Solution

The fourth proportional to 9,913.81, 14,864.24 and 3,338.23 is: 5,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.81 : 14,864.24 = 3,338.23 : x
  2. Step 2: Convert to fraction form
    9,913.81/14,864.24 = 3,338.23/x
  3. Step 3: Cross multiply
    9,913.81x = 14,864.24 × 3,338.23
  4. Step 4: Simplify right side
    9,913.81x = 49,620,235.20
  5. Step 5: Solve for x
    x = 49,620,235.20/9,913.81
  6. Step 6: Final answer
    x = 5,005.16

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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.