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Finding the Fourth Proportional to 69,508.48, 104,184.96 and 30,006.40

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Solution

The fourth proportional to 69,508.48, 104,184.96 and 30,006.40 is: 44,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,508.48 : 104,184.96 = 30,006.40 : x
  2. Step 2: Convert to fraction form
    69,508.48/104,184.96 = 30,006.40/x
  3. Step 3: Cross multiply
    69,508.48x = 104,184.96 × 30,006.40
  4. Step 4: Simplify right side
    69,508.48x = 3,126,215,583.74
  5. Step 5: Solve for x
    x = 3,126,215,583.74/69,508.48
  6. Step 6: Final answer
    x = 44,976.03

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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.