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Finding the Fourth Proportional to 84,466.80, 126,706.68 and 37,724.40

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Solution

The fourth proportional to 84,466.80, 126,706.68 and 37,724.40 is: 56,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,466.80 : 126,706.68 = 37,724.40 : x
  2. Step 2: Convert to fraction form
    84,466.80/126,706.68 = 37,724.40/x
  3. Step 3: Cross multiply
    84,466.80x = 126,706.68 × 37,724.40
  4. Step 4: Simplify right side
    84,466.80x = 4,779,933,478.99
  5. Step 5: Solve for x
    x = 4,779,933,478.99/84,466.80
  6. Step 6: Final answer
    x = 56,589.49

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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.