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Finding the Fourth Proportional to 64,398.36, 96,598.20 and 17,651.22

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Solution

The fourth proportional to 64,398.36, 96,598.20 and 17,651.22 is: 26,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.36 : 96,598.20 = 17,651.22 : x
  2. Step 2: Convert to fraction form
    64,398.36/96,598.20 = 17,651.22/x
  3. Step 3: Cross multiply
    64,398.36x = 96,598.20 × 17,651.22
  4. Step 4: Simplify right side
    64,398.36x = 1,705,076,079.80
  5. Step 5: Solve for x
    x = 1,705,076,079.80/64,398.36
  6. Step 6: Final answer
    x = 26,477.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.