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Finding the Fourth Proportional to 63,220.65, 87,244.43 and 36,362.46

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Solution

The fourth proportional to 63,220.65, 87,244.43 and 36,362.46 is: 50,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,220.65 : 87,244.43 = 36,362.46 : x
  2. Step 2: Convert to fraction form
    63,220.65/87,244.43 = 36,362.46/x
  3. Step 3: Cross multiply
    63,220.65x = 87,244.43 × 36,362.46
  4. Step 4: Simplify right side
    63,220.65x = 3,172,421,914.29
  5. Step 5: Solve for x
    x = 3,172,421,914.29/63,220.65
  6. Step 6: Final answer
    x = 50,180.15

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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.