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Finding the Fourth Proportional to 61,002.76, 84,187.03 and 38,333.36

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Solution

The fourth proportional to 61,002.76, 84,187.03 and 38,333.36 is: 52,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,002.76 : 84,187.03 = 38,333.36 : x
  2. Step 2: Convert to fraction form
    61,002.76/84,187.03 = 38,333.36/x
  3. Step 3: Cross multiply
    61,002.76x = 84,187.03 × 38,333.36
  4. Step 4: Simplify right side
    61,002.76x = 3,227,171,952.36
  5. Step 5: Solve for x
    x = 3,227,171,952.36/61,002.76
  6. Step 6: Final answer
    x = 52,902.07

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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.