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Finding the Fourth Proportional to 8,377.03, 11,561.23 and 5,354.94

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Solution

The fourth proportional to 8,377.03, 11,561.23 and 5,354.94 is: 7,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.03 : 11,561.23 = 5,354.94 : x
  2. Step 2: Convert to fraction form
    8,377.03/11,561.23 = 5,354.94/x
  3. Step 3: Cross multiply
    8,377.03x = 11,561.23 × 5,354.94
  4. Step 4: Simplify right side
    8,377.03x = 61,909,692.98
  5. Step 5: Solve for x
    x = 61,909,692.98/8,377.03
  6. Step 6: Final answer
    x = 7,390.41

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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.