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Finding the Fourth Proportional to 34,146, 47,121.48 and 19,244.88

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Solution

The fourth proportional to 34,146, 47,121.48 and 19,244.88 is: 26,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,146 : 47,121.48 = 19,244.88 : x
  2. Step 2: Convert to fraction form
    34,146/47,121.48 = 19,244.88/x
  3. Step 3: Cross multiply
    34,146x = 47,121.48 × 19,244.88
  4. Step 4: Simplify right side
    34,146x = 906,847,228.02
  5. Step 5: Solve for x
    x = 906,847,228.02/34,146
  6. Step 6: Final answer
    x = 26,557.93

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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.