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Finding the Fourth Proportional to 32,555.41, 44,919.16 and 19,815.19

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Solution

The fourth proportional to 32,555.41, 44,919.16 and 19,815.19 is: 27,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,555.41 : 44,919.16 = 19,815.19 : x
  2. Step 2: Convert to fraction form
    32,555.41/44,919.16 = 19,815.19/x
  3. Step 3: Cross multiply
    32,555.41x = 44,919.16 × 19,815.19
  4. Step 4: Simplify right side
    32,555.41x = 890,081,690.04
  5. Step 5: Solve for x
    x = 890,081,690.04/32,555.41
  6. Step 6: Final answer
    x = 27,340.52

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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.