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Finding the Fourth Proportional to 9,368.54, 12,936.04 and 5,788.70

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Solution

The fourth proportional to 9,368.54, 12,936.04 and 5,788.70 is: 7,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.54 : 12,936.04 = 5,788.70 : x
  2. Step 2: Convert to fraction form
    9,368.54/12,936.04 = 5,788.70/x
  3. Step 3: Cross multiply
    9,368.54x = 12,936.04 × 5,788.70
  4. Step 4: Simplify right side
    9,368.54x = 74,882,824.11
  5. Step 5: Solve for x
    x = 74,882,824.11/9,368.54
  6. Step 6: Final answer
    x = 7,993.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.