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Finding the Fourth Proportional to 4,938.53, 7,407.07 and 1,817.82

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Solution

The fourth proportional to 4,938.53, 7,407.07 and 1,817.82 is: 2,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.53 : 7,407.07 = 1,817.82 : x
  2. Step 2: Convert to fraction form
    4,938.53/7,407.07 = 1,817.82/x
  3. Step 3: Cross multiply
    4,938.53x = 7,407.07 × 1,817.82
  4. Step 4: Simplify right side
    4,938.53x = 13,464,682.95
  5. Step 5: Solve for x
    x = 13,464,682.95/4,938.53
  6. Step 6: Final answer
    x = 2,726.46

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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.