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Finding the Fourth Proportional to 73,698.48, 110,455.11 and 39,963.24

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Solution

The fourth proportional to 73,698.48, 110,455.11 and 39,963.24 is: 59,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.48 : 110,455.11 = 39,963.24 : x
  2. Step 2: Convert to fraction form
    73,698.48/110,455.11 = 39,963.24/x
  3. Step 3: Cross multiply
    73,698.48x = 110,455.11 × 39,963.24
  4. Step 4: Simplify right side
    73,698.48x = 4,414,144,070.16
  5. Step 5: Solve for x
    x = 4,414,144,070.16/73,698.48
  6. Step 6: Final answer
    x = 59,894.64

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1.5x scale

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.