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Finding the Fourth Proportional to 34,334.40, 51,446.40 and 19,499.20

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Solution

The fourth proportional to 34,334.40, 51,446.40 and 19,499.20 is: 29,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,334.40 : 51,446.40 = 19,499.20 : x
  2. Step 2: Convert to fraction form
    34,334.40/51,446.40 = 19,499.20/x
  3. Step 3: Cross multiply
    34,334.40x = 51,446.40 × 19,499.20
  4. Step 4: Simplify right side
    34,334.40x = 1,003,163,642.88
  5. Step 5: Solve for x
    x = 1,003,163,642.88/34,334.40
  6. Step 6: Final answer
    x = 29,217.45

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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.