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Finding the Fourth Proportional to 63,771.78, 88,005.06 and 35,477.46

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Solution

The fourth proportional to 63,771.78, 88,005.06 and 35,477.46 is: 48,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,771.78 : 88,005.06 = 35,477.46 : x
  2. Step 2: Convert to fraction form
    63,771.78/88,005.06 = 35,477.46/x
  3. Step 3: Cross multiply
    63,771.78x = 88,005.06 × 35,477.46
  4. Step 4: Simplify right side
    63,771.78x = 3,122,195,995.95
  5. Step 5: Solve for x
    x = 3,122,195,995.95/63,771.78
  6. Step 6: Final answer
    x = 48,958.90

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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.