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Finding the Fourth Proportional to 1,692.16, 2,334.02 and 1,552.74

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Solution

The fourth proportional to 1,692.16, 2,334.02 and 1,552.74 is: 2,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.16 : 2,334.02 = 1,552.74 : x
  2. Step 2: Convert to fraction form
    1,692.16/2,334.02 = 1,552.74/x
  3. Step 3: Cross multiply
    1,692.16x = 2,334.02 × 1,552.74
  4. Step 4: Simplify right side
    1,692.16x = 3,624,126.21
  5. Step 5: Solve for x
    x = 3,624,126.21/1,692.16
  6. Step 6: Final answer
    x = 2,141.72

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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.