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Finding the Fourth Proportional to 3,646.53, 5,466.69 and 1,671.50

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Solution

The fourth proportional to 3,646.53, 5,466.69 and 1,671.50 is: 2,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.53 : 5,466.69 = 1,671.50 : x
  2. Step 2: Convert to fraction form
    3,646.53/5,466.69 = 1,671.50/x
  3. Step 3: Cross multiply
    3,646.53x = 5,466.69 × 1,671.50
  4. Step 4: Simplify right side
    3,646.53x = 9,137,545.00
  5. Step 5: Solve for x
    x = 9,137,545.00/3,646.53
  6. Step 6: Final answer
    x = 2,505.82

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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.