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Finding the Fourth Proportional to 63,995.78, 88,313.91 and 35,701.49

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Solution

The fourth proportional to 63,995.78, 88,313.91 and 35,701.49 is: 49,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,995.78 : 88,313.91 = 35,701.49 : x
  2. Step 2: Convert to fraction form
    63,995.78/88,313.91 = 35,701.49/x
  3. Step 3: Cross multiply
    63,995.78x = 88,313.91 × 35,701.49
  4. Step 4: Simplify right side
    63,995.78x = 3,152,938,174.73
  5. Step 5: Solve for x
    x = 3,152,938,174.73/63,995.78
  6. Step 6: Final answer
    x = 49,267.91

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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.