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Finding the Fourth Proportional to 60,053.40, 89,820.90 and 50,722.20

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Solution

The fourth proportional to 60,053.40, 89,820.90 and 50,722.20 is: 75,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,053.40 : 89,820.90 = 50,722.20 : x
  2. Step 2: Convert to fraction form
    60,053.40/89,820.90 = 50,722.20/x
  3. Step 3: Cross multiply
    60,053.40x = 89,820.90 × 50,722.20
  4. Step 4: Simplify right side
    60,053.40x = 4,555,913,653.98
  5. Step 5: Solve for x
    x = 4,555,913,653.98/60,053.40
  6. Step 6: Final answer
    x = 75,864.37

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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.