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Finding the Fourth Proportional to 63,497.39, 87,630.32 and 35,203.07

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Solution

The fourth proportional to 63,497.39, 87,630.32 and 35,203.07 is: 48,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,497.39 : 87,630.32 = 35,203.07 : x
  2. Step 2: Convert to fraction form
    63,497.39/87,630.32 = 35,203.07/x
  3. Step 3: Cross multiply
    63,497.39x = 87,630.32 × 35,203.07
  4. Step 4: Simplify right side
    63,497.39x = 3,084,856,497.16
  5. Step 5: Solve for x
    x = 3,084,856,497.16/63,497.39
  6. Step 6: Final answer
    x = 48,582.42

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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.