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Finding the Fourth Proportional to 69,762.40, 96,269.48 and 37,930.20

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Solution

The fourth proportional to 69,762.40, 96,269.48 and 37,930.20 is: 52,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,762.40 : 96,269.48 = 37,930.20 : x
  2. Step 2: Convert to fraction form
    69,762.40/96,269.48 = 37,930.20/x
  3. Step 3: Cross multiply
    69,762.40x = 96,269.48 × 37,930.20
  4. Step 4: Simplify right side
    69,762.40x = 3,651,520,630.30
  5. Step 5: Solve for x
    x = 3,651,520,630.30/69,762.40
  6. Step 6: Final answer
    x = 52,342.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.