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Finding the Fourth Proportional to 34,575.62, 47,714.55 and 19,671.62

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Solution

The fourth proportional to 34,575.62, 47,714.55 and 19,671.62 is: 27,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,575.62 : 47,714.55 = 19,671.62 : x
  2. Step 2: Convert to fraction form
    34,575.62/47,714.55 = 19,671.62/x
  3. Step 3: Cross multiply
    34,575.62x = 47,714.55 × 19,671.62
  4. Step 4: Simplify right side
    34,575.62x = 938,622,496.07
  5. Step 5: Solve for x
    x = 938,622,496.07/34,575.62
  6. Step 6: Final answer
    x = 27,146.95

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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.