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Finding the Fourth Proportional to 29,499.80, 40,761.60 and 23,580.32

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Solution

The fourth proportional to 29,499.80, 40,761.60 and 23,580.32 is: 32,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,499.80 : 40,761.60 = 23,580.32 : x
  2. Step 2: Convert to fraction form
    29,499.80/40,761.60 = 23,580.32/x
  3. Step 3: Cross multiply
    29,499.80x = 40,761.60 × 23,580.32
  4. Step 4: Simplify right side
    29,499.80x = 961,171,571.71
  5. Step 5: Solve for x
    x = 961,171,571.71/29,499.80
  6. Step 6: Final answer
    x = 32,582.31

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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.