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Finding the Fourth Proportional to 60,044.40, 90,068.42 and 20,600.94

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Solution

The fourth proportional to 60,044.40, 90,068.42 and 20,600.94 is: 30,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,044.40 : 90,068.42 = 20,600.94 : x
  2. Step 2: Convert to fraction form
    60,044.40/90,068.42 = 20,600.94/x
  3. Step 3: Cross multiply
    60,044.40x = 90,068.42 × 20,600.94
  4. Step 4: Simplify right side
    60,044.40x = 1,855,494,116.31
  5. Step 5: Solve for x
    x = 1,855,494,116.31/60,044.40
  6. Step 6: Final answer
    x = 30,902.03

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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.