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Finding the Fourth Proportional to 32,114.75, 44,303.49 and 20,787.89

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Solution

The fourth proportional to 32,114.75, 44,303.49 and 20,787.89 is: 28,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,114.75 : 44,303.49 = 20,787.89 : x
  2. Step 2: Convert to fraction form
    32,114.75/44,303.49 = 20,787.89/x
  3. Step 3: Cross multiply
    32,114.75x = 44,303.49 × 20,787.89
  4. Step 4: Simplify right side
    32,114.75x = 920,975,855.22
  5. Step 5: Solve for x
    x = 920,975,855.22/32,114.75
  6. Step 6: Final answer
    x = 28,677.66

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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.