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Finding the Fourth Proportional to 34,059, 47,004.30 and 19,157.88

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Solution

The fourth proportional to 34,059, 47,004.30 and 19,157.88 is: 26,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,059 : 47,004.30 = 19,157.88 : x
  2. Step 2: Convert to fraction form
    34,059/47,004.30 = 19,157.88/x
  3. Step 3: Cross multiply
    34,059x = 47,004.30 × 19,157.88
  4. Step 4: Simplify right side
    34,059x = 900,502,738.88
  5. Step 5: Solve for x
    x = 900,502,738.88/34,059
  6. Step 6: Final answer
    x = 26,439.49

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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.