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Finding the Fourth Proportional to 56,243.30, 77,619.15 and 32,369.45

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Solution

The fourth proportional to 56,243.30, 77,619.15 and 32,369.45 is: 44,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243.30 : 77,619.15 = 32,369.45 : x
  2. Step 2: Convert to fraction form
    56,243.30/77,619.15 = 32,369.45/x
  3. Step 3: Cross multiply
    56,243.30x = 77,619.15 × 32,369.45
  4. Step 4: Simplify right side
    56,243.30x = 2,512,488,806.87
  5. Step 5: Solve for x
    x = 2,512,488,806.87/56,243.30
  6. Step 6: Final answer
    x = 44,671.79

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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.