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Finding the Fourth Proportional to 63,503.50, 87,631.32 and 35,206.96

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Solution

The fourth proportional to 63,503.50, 87,631.32 and 35,206.96 is: 48,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,503.50 : 87,631.32 = 35,206.96 : x
  2. Step 2: Convert to fraction form
    63,503.50/87,631.32 = 35,206.96/x
  3. Step 3: Cross multiply
    63,503.50x = 87,631.32 × 35,206.96
  4. Step 4: Simplify right side
    63,503.50x = 3,085,232,377.99
  5. Step 5: Solve for x
    x = 3,085,232,377.99/63,503.50
  6. Step 6: Final answer
    x = 48,583.66

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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.