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Finding the Fourth Proportional to 35,551.53, 49,038.87 and 21,201.30

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Solution

The fourth proportional to 35,551.53, 49,038.87 and 21,201.30 is: 29,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,551.53 : 49,038.87 = 21,201.30 : x
  2. Step 2: Convert to fraction form
    35,551.53/49,038.87 = 21,201.30/x
  3. Step 3: Cross multiply
    35,551.53x = 49,038.87 × 21,201.30
  4. Step 4: Simplify right side
    35,551.53x = 1,039,687,794.53
  5. Step 5: Solve for x
    x = 1,039,687,794.53/35,551.53
  6. Step 6: Final answer
    x = 29,244.53

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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.