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Finding the Fourth Proportional to 3,263.01, 4,503.73 and 1,918.91

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Solution

The fourth proportional to 3,263.01, 4,503.73 and 1,918.91 is: 2,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.01 : 4,503.73 = 1,918.91 : x
  2. Step 2: Convert to fraction form
    3,263.01/4,503.73 = 1,918.91/x
  3. Step 3: Cross multiply
    3,263.01x = 4,503.73 × 1,918.91
  4. Step 4: Simplify right side
    3,263.01x = 8,642,252.53
  5. Step 5: Solve for x
    x = 8,642,252.53/3,263.01
  6. Step 6: Final answer
    x = 2,648.55

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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.