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Finding the Fourth Proportional to 64,383.17, 96,574.77 and 19,998

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Solution

The fourth proportional to 64,383.17, 96,574.77 and 19,998 is: 29,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.17 : 96,574.77 = 19,998 : x
  2. Step 2: Convert to fraction form
    64,383.17/96,574.77 = 19,998/x
  3. Step 3: Cross multiply
    64,383.17x = 96,574.77 × 19,998
  4. Step 4: Simplify right side
    64,383.17x = 1,931,302,250.46
  5. Step 5: Solve for x
    x = 1,931,302,250.46/64,383.17
  6. Step 6: Final answer
    x = 29,997.01

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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.