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Finding the Fourth Proportional to 60,224.58, 90,347.94 and 20,239.74

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Solution

The fourth proportional to 60,224.58, 90,347.94 and 20,239.74 is: 30,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,224.58 : 90,347.94 = 20,239.74 : x
  2. Step 2: Convert to fraction form
    60,224.58/90,347.94 = 20,239.74/x
  3. Step 3: Cross multiply
    60,224.58x = 90,347.94 × 20,239.74
  4. Step 4: Simplify right side
    60,224.58x = 1,828,618,815.14
  5. Step 5: Solve for x
    x = 1,828,618,815.14/60,224.58
  6. Step 6: Final answer
    x = 30,363.33

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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.