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Finding the Fourth Proportional to 42,301, 63,451.94 and 17,334.64

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Solution

The fourth proportional to 42,301, 63,451.94 and 17,334.64 is: 26,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301 : 63,451.94 = 17,334.64 : x
  2. Step 2: Convert to fraction form
    42,301/63,451.94 = 17,334.64/x
  3. Step 3: Cross multiply
    42,301x = 63,451.94 × 17,334.64
  4. Step 4: Simplify right side
    42,301x = 1,099,916,537.20
  5. Step 5: Solve for x
    x = 1,099,916,537.20/42,301
  6. Step 6: Final answer
    x = 26,002.14

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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.