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Finding the Fourth Proportional to 32,387.72, 44,403.74 and 31,797.32

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Solution

The fourth proportional to 32,387.72, 44,403.74 and 31,797.32 is: 43,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,387.72 : 44,403.74 = 31,797.32 : x
  2. Step 2: Convert to fraction form
    32,387.72/44,403.74 = 31,797.32/x
  3. Step 3: Cross multiply
    32,387.72x = 44,403.74 × 31,797.32
  4. Step 4: Simplify right side
    32,387.72x = 1,411,919,929.98
  5. Step 5: Solve for x
    x = 1,411,919,929.98/32,387.72
  6. Step 6: Final answer
    x = 43,594.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.