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Finding the Fourth Proportional to 4,562.90, 6,845.03 and 1,640.93

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Solution

The fourth proportional to 4,562.90, 6,845.03 and 1,640.93 is: 2,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,562.90 : 6,845.03 = 1,640.93 : x
  2. Step 2: Convert to fraction form
    4,562.90/6,845.03 = 1,640.93/x
  3. Step 3: Cross multiply
    4,562.90x = 6,845.03 × 1,640.93
  4. Step 4: Simplify right side
    4,562.90x = 11,232,215.08
  5. Step 5: Solve for x
    x = 11,232,215.08/4,562.90
  6. Step 6: Final answer
    x = 2,461.64

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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.