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Finding the Fourth Proportional to 7,484.03, 11,250.65 and 6,942.74

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Solution

The fourth proportional to 7,484.03, 11,250.65 and 6,942.74 is: 10,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.03 : 11,250.65 = 6,942.74 : x
  2. Step 2: Convert to fraction form
    7,484.03/11,250.65 = 6,942.74/x
  3. Step 3: Cross multiply
    7,484.03x = 11,250.65 × 6,942.74
  4. Step 4: Simplify right side
    7,484.03x = 78,110,331.19
  5. Step 5: Solve for x
    x = 78,110,331.19/7,484.03
  6. Step 6: Final answer
    x = 10,436.94

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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.