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Finding the Fourth Proportional to 9,923.16, 14,880.42 and 3,347.58

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Solution

The fourth proportional to 9,923.16, 14,880.42 and 3,347.58 is: 5,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.16 : 14,880.42 = 3,347.58 : x
  2. Step 2: Convert to fraction form
    9,923.16/14,880.42 = 3,347.58/x
  3. Step 3: Cross multiply
    9,923.16x = 14,880.42 × 3,347.58
  4. Step 4: Simplify right side
    9,923.16x = 49,813,396.38
  5. Step 5: Solve for x
    x = 49,813,396.38/9,923.16
  6. Step 6: Final answer
    x = 5,019.91

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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.