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Finding the Fourth Proportional to 47,603.01, 71,388.08 and 19,515.09

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Solution

The fourth proportional to 47,603.01, 71,388.08 and 19,515.09 is: 29,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.01 : 71,388.08 = 19,515.09 : x
  2. Step 2: Convert to fraction form
    47,603.01/71,388.08 = 19,515.09/x
  3. Step 3: Cross multiply
    47,603.01x = 71,388.08 × 19,515.09
  4. Step 4: Simplify right side
    47,603.01x = 1,393,144,708.55
  5. Step 5: Solve for x
    x = 1,393,144,708.55/47,603.01
  6. Step 6: Final answer
    x = 29,265.90

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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.