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Finding the Fourth Proportional to 64,063.12, 88,411.22 and 35,768.80

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Solution

The fourth proportional to 64,063.12, 88,411.22 and 35,768.80 is: 49,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,063.12 : 88,411.22 = 35,768.80 : x
  2. Step 2: Convert to fraction form
    64,063.12/88,411.22 = 35,768.80/x
  3. Step 3: Cross multiply
    64,063.12x = 88,411.22 × 35,768.80
  4. Step 4: Simplify right side
    64,063.12x = 3,162,363,245.94
  5. Step 5: Solve for x
    x = 3,162,363,245.94/64,063.12
  6. Step 6: Final answer
    x = 49,363.24

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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.