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Finding the Fourth Proportional to 56,352.57, 77,766.56 and 32,480.79

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Solution

The fourth proportional to 56,352.57, 77,766.56 and 32,480.79 is: 44,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.57 : 77,766.56 = 32,480.79 : x
  2. Step 2: Convert to fraction form
    56,352.57/77,766.56 = 32,480.79/x
  3. Step 3: Cross multiply
    56,352.57x = 77,766.56 × 32,480.79
  4. Step 4: Simplify right side
    56,352.57x = 2,525,919,141.98
  5. Step 5: Solve for x
    x = 2,525,919,141.98/56,352.57
  6. Step 6: Final answer
    x = 44,823.50

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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.