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Finding the Fourth Proportional to 32,801.60, 49,202.40 and 18,934.40

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Solution

The fourth proportional to 32,801.60, 49,202.40 and 18,934.40 is: 28,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,801.60 : 49,202.40 = 18,934.40 : x
  2. Step 2: Convert to fraction form
    32,801.60/49,202.40 = 18,934.40/x
  3. Step 3: Cross multiply
    32,801.60x = 49,202.40 × 18,934.40
  4. Step 4: Simplify right side
    32,801.60x = 931,617,922.56
  5. Step 5: Solve for x
    x = 931,617,922.56/32,801.60
  6. Step 6: Final answer
    x = 28,401.60

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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.