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Finding the Fourth Proportional to 69,879.48, 96,432.71 and 38,048.37

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Solution

The fourth proportional to 69,879.48, 96,432.71 and 38,048.37 is: 52,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879.48 : 96,432.71 = 38,048.37 : x
  2. Step 2: Convert to fraction form
    69,879.48/96,432.71 = 38,048.37/x
  3. Step 3: Cross multiply
    69,879.48x = 96,432.71 × 38,048.37
  4. Step 4: Simplify right side
    69,879.48x = 3,669,107,430.18
  5. Step 5: Solve for x
    x = 3,669,107,430.18/69,879.48
  6. Step 6: Final answer
    x = 52,506.22

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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.