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Finding the Fourth Proportional to 60,390.40, 90,549.60 and 37,033.60

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Solution

The fourth proportional to 60,390.40, 90,549.60 and 37,033.60 is: 55,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.40 : 90,549.60 = 37,033.60 : x
  2. Step 2: Convert to fraction form
    60,390.40/90,549.60 = 37,033.60/x
  3. Step 3: Cross multiply
    60,390.40x = 90,549.60 × 37,033.60
  4. Step 4: Simplify right side
    60,390.40x = 3,353,377,666.56
  5. Step 5: Solve for x
    x = 3,353,377,666.56/60,390.40
  6. Step 6: Final answer
    x = 55,528.32

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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.