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Finding the Fourth Proportional to 34,714.63, 47,905.82 and 19,607.32

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Solution

The fourth proportional to 34,714.63, 47,905.82 and 19,607.32 is: 27,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.63 : 47,905.82 = 19,607.32 : x
  2. Step 2: Convert to fraction form
    34,714.63/47,905.82 = 19,607.32/x
  3. Step 3: Cross multiply
    34,714.63x = 47,905.82 × 19,607.32
  4. Step 4: Simplify right side
    34,714.63x = 939,304,644.57
  5. Step 5: Solve for x
    x = 939,304,644.57/34,714.63
  6. Step 6: Final answer
    x = 27,057.89

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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.