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Finding the Fourth Proportional to 69,963.78, 96,550.02 and 38,132.67

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Solution

The fourth proportional to 69,963.78, 96,550.02 and 38,132.67 is: 52,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.78 : 96,550.02 = 38,132.67 : x
  2. Step 2: Convert to fraction form
    69,963.78/96,550.02 = 38,132.67/x
  3. Step 3: Cross multiply
    69,963.78x = 96,550.02 × 38,132.67
  4. Step 4: Simplify right side
    69,963.78x = 3,681,710,051.15
  5. Step 5: Solve for x
    x = 3,681,710,051.15/69,963.78
  6. Step 6: Final answer
    x = 52,623.09

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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.