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Finding the Fourth Proportional to 29,056.88, 43,585.32 and 20,308.88

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Solution

The fourth proportional to 29,056.88, 43,585.32 and 20,308.88 is: 30,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,056.88 : 43,585.32 = 20,308.88 : x
  2. Step 2: Convert to fraction form
    29,056.88/43,585.32 = 20,308.88/x
  3. Step 3: Cross multiply
    29,056.88x = 43,585.32 × 20,308.88
  4. Step 4: Simplify right side
    29,056.88x = 885,169,033.64
  5. Step 5: Solve for x
    x = 885,169,033.64/29,056.88
  6. Step 6: Final answer
    x = 30,463.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.