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Finding the Fourth Proportional to 29,580.80, 40,790.41 and 19,496.32

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Solution

The fourth proportional to 29,580.80, 40,790.41 and 19,496.32 is: 26,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.80 : 40,790.41 = 19,496.32 : x
  2. Step 2: Convert to fraction form
    29,580.80/40,790.41 = 19,496.32/x
  3. Step 3: Cross multiply
    29,580.80x = 40,790.41 × 19,496.32
  4. Step 4: Simplify right side
    29,580.80x = 795,262,905.13
  5. Step 5: Solve for x
    x = 795,262,905.13/29,580.80
  6. Step 6: Final answer
    x = 26,884.43

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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.