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Finding the Fourth Proportional to 60,380.40, 90,570.60 and 22,940.58

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Solution

The fourth proportional to 60,380.40, 90,570.60 and 22,940.58 is: 34,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,380.40 : 90,570.60 = 22,940.58 : x
  2. Step 2: Convert to fraction form
    60,380.40/90,570.60 = 22,940.58/x
  3. Step 3: Cross multiply
    60,380.40x = 90,570.60 × 22,940.58
  4. Step 4: Simplify right side
    60,380.40x = 2,077,742,094.95
  5. Step 5: Solve for x
    x = 2,077,742,094.95/60,380.40
  6. Step 6: Final answer
    x = 34,410.87

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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.