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Finding the Fourth Proportional to 2,461.64, 3,692.18 and 730.13

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Solution

The fourth proportional to 2,461.64, 3,692.18 and 730.13 is: 1,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.64 : 3,692.18 = 730.13 : x
  2. Step 2: Convert to fraction form
    2,461.64/3,692.18 = 730.13/x
  3. Step 3: Cross multiply
    2,461.64x = 3,692.18 × 730.13
  4. Step 4: Simplify right side
    2,461.64x = 2,695,754.75
  5. Step 5: Solve for x
    x = 2,695,754.75/2,461.64
  6. Step 6: Final answer
    x = 1,095.11

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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.