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Finding the Fourth Proportional to 63,764.70, 88,648.49 and 63,764.70

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Solution

The fourth proportional to 63,764.70, 88,648.49 and 63,764.70 is: 88,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,764.70 : 88,648.49 = 63,764.70 : x
  2. Step 2: Convert to fraction form
    63,764.70/88,648.49 = 63,764.70/x
  3. Step 3: Cross multiply
    63,764.70x = 88,648.49 × 63,764.70
  4. Step 4: Simplify right side
    63,764.70x = 5,652,644,051.48
  5. Step 5: Solve for x
    x = 5,652,644,051.48/63,764.70
  6. Step 6: Final answer
    x = 88,648.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.