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Finding the Fourth Proportional to 32,599.60, 44,985.90 and 20,021.92

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Solution

The fourth proportional to 32,599.60, 44,985.90 and 20,021.92 is: 27,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,599.60 : 44,985.90 = 20,021.92 : x
  2. Step 2: Convert to fraction form
    32,599.60/44,985.90 = 20,021.92/x
  3. Step 3: Cross multiply
    32,599.60x = 44,985.90 × 20,021.92
  4. Step 4: Simplify right side
    32,599.60x = 900,704,090.93
  5. Step 5: Solve for x
    x = 900,704,090.93/32,599.60
  6. Step 6: Final answer
    x = 27,629.30

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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.