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Finding the Fourth Proportional to 9,293.80, 13,940.70 and 2,368.30

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Solution

The fourth proportional to 9,293.80, 13,940.70 and 2,368.30 is: 3,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.80 : 13,940.70 = 2,368.30 : x
  2. Step 2: Convert to fraction form
    9,293.80/13,940.70 = 2,368.30/x
  3. Step 3: Cross multiply
    9,293.80x = 13,940.70 × 2,368.30
  4. Step 4: Simplify right side
    9,293.80x = 33,015,759.81
  5. Step 5: Solve for x
    x = 33,015,759.81/9,293.80
  6. Step 6: Final answer
    x = 3,552.45

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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.