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Finding the Fourth Proportional to 61,808.20, 92,712.30 and 33,717.40

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Solution

The fourth proportional to 61,808.20, 92,712.30 and 33,717.40 is: 50,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808.20 : 92,712.30 = 33,717.40 : x
  2. Step 2: Convert to fraction form
    61,808.20/92,712.30 = 33,717.40/x
  3. Step 3: Cross multiply
    61,808.20x = 92,712.30 × 33,717.40
  4. Step 4: Simplify right side
    61,808.20x = 3,126,017,704.02
  5. Step 5: Solve for x
    x = 3,126,017,704.02/61,808.20
  6. Step 6: Final answer
    x = 50,576.10

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1.5x scale

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.