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Finding the Fourth Proportional to 79,624.96, 109,883.28 and 45,632.68

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Solution

The fourth proportional to 79,624.96, 109,883.28 and 45,632.68 is: 62,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,624.96 : 109,883.28 = 45,632.68 : x
  2. Step 2: Convert to fraction form
    79,624.96/109,883.28 = 45,632.68/x
  3. Step 3: Cross multiply
    79,624.96x = 109,883.28 × 45,632.68
  4. Step 4: Simplify right side
    79,624.96x = 5,014,268,553.59
  5. Step 5: Solve for x
    x = 5,014,268,553.59/79,624.96
  6. Step 6: Final answer
    x = 62,973.58

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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.