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Finding the Fourth Proportional to 6,692.13, 9,235.26 and 4,038.93

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Solution

The fourth proportional to 6,692.13, 9,235.26 and 4,038.93 is: 5,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.13 : 9,235.26 = 4,038.93 : x
  2. Step 2: Convert to fraction form
    6,692.13/9,235.26 = 4,038.93/x
  3. Step 3: Cross multiply
    6,692.13x = 9,235.26 × 4,038.93
  4. Step 4: Simplify right side
    6,692.13x = 37,300,568.67
  5. Step 5: Solve for x
    x = 37,300,568.67/6,692.13
  6. Step 6: Final answer
    x = 5,573.80

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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.