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Finding the Fourth Proportional to 63,605.67, 87,765.59 and 36,751.74

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Solution

The fourth proportional to 63,605.67, 87,765.59 and 36,751.74 is: 50,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,605.67 : 87,765.59 = 36,751.74 : x
  2. Step 2: Convert to fraction form
    63,605.67/87,765.59 = 36,751.74/x
  3. Step 3: Cross multiply
    63,605.67x = 87,765.59 × 36,751.74
  4. Step 4: Simplify right side
    63,605.67x = 3,225,538,236.51
  5. Step 5: Solve for x
    x = 3,225,538,236.51/63,605.67
  6. Step 6: Final answer
    x = 50,711.49

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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.