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Finding the Fourth Proportional to 4,655.87, 6,981.61 and 1,692.22

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Solution

The fourth proportional to 4,655.87, 6,981.61 and 1,692.22 is: 2,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655.87 : 6,981.61 = 1,692.22 : x
  2. Step 2: Convert to fraction form
    4,655.87/6,981.61 = 1,692.22/x
  3. Step 3: Cross multiply
    4,655.87x = 6,981.61 × 1,692.22
  4. Step 4: Simplify right side
    4,655.87x = 11,814,420.07
  5. Step 5: Solve for x
    x = 11,814,420.07/4,655.87
  6. Step 6: Final answer
    x = 2,537.53

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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.