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Finding the Fourth Proportional to 60,383.60, 84,712 and 60,383.60

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Solution

The fourth proportional to 60,383.60, 84,712 and 60,383.60 is: 84,712

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,383.60 : 84,712 = 60,383.60 : x
  2. Step 2: Convert to fraction form
    60,383.60/84,712 = 60,383.60/x
  3. Step 3: Cross multiply
    60,383.60x = 84,712 × 60,383.60
  4. Step 4: Simplify right side
    60,383.60x = 5,115,215,523.20
  5. Step 5: Solve for x
    x = 5,115,215,523.20/60,383.60
  6. Step 6: Final answer
    x = 84,712

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.