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Finding the Fourth Proportional to 5,607.60, 8,393.52 and 3,134.84

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Solution

The fourth proportional to 5,607.60, 8,393.52 and 3,134.84 is: 4,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.60 : 8,393.52 = 3,134.84 : x
  2. Step 2: Convert to fraction form
    5,607.60/8,393.52 = 3,134.84/x
  3. Step 3: Cross multiply
    5,607.60x = 8,393.52 × 3,134.84
  4. Step 4: Simplify right side
    5,607.60x = 26,312,342.24
  5. Step 5: Solve for x
    x = 26,312,342.24/5,607.60
  6. Step 6: Final answer
    x = 4,692.26

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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.