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Finding the Fourth Proportional to 34,714.36, 47,905.97 and 19,607.20

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Solution

The fourth proportional to 34,714.36, 47,905.97 and 19,607.20 is: 27,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.36 : 47,905.97 = 19,607.20 : x
  2. Step 2: Convert to fraction form
    34,714.36/47,905.97 = 19,607.20/x
  3. Step 3: Cross multiply
    34,714.36x = 47,905.97 × 19,607.20
  4. Step 4: Simplify right side
    34,714.36x = 939,301,717.18
  5. Step 5: Solve for x
    x = 939,301,717.18/34,714.36
  6. Step 6: Final answer
    x = 27,058.02

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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.