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Finding the Fourth Proportional to 76,019.76, 104,761.08 and 53,624.88

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Solution

The fourth proportional to 76,019.76, 104,761.08 and 53,624.88 is: 73,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.76 : 104,761.08 = 53,624.88 : x
  2. Step 2: Convert to fraction form
    76,019.76/104,761.08 = 53,624.88/x
  3. Step 3: Cross multiply
    76,019.76x = 104,761.08 × 53,624.88
  4. Step 4: Simplify right side
    76,019.76x = 5,617,800,343.67
  5. Step 5: Solve for x
    x = 5,617,800,343.67/76,019.76
  6. Step 6: Final answer
    x = 73,899.21

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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.