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Finding the Fourth Proportional to 29,455.67, 40,648.50 and 17,519.22

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Solution

The fourth proportional to 29,455.67, 40,648.50 and 17,519.22 is: 24,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.67 : 40,648.50 = 17,519.22 : x
  2. Step 2: Convert to fraction form
    29,455.67/40,648.50 = 17,519.22/x
  3. Step 3: Cross multiply
    29,455.67x = 40,648.50 × 17,519.22
  4. Step 4: Simplify right side
    29,455.67x = 712,130,014.17
  5. Step 5: Solve for x
    x = 712,130,014.17/29,455.67
  6. Step 6: Final answer
    x = 24,176.33

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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.