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Finding the Fourth Proportional to 29,967.80, 44,903.10 and 18,854.60

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Solution

The fourth proportional to 29,967.80, 44,903.10 and 18,854.60 is: 28,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,967.80 : 44,903.10 = 18,854.60 : x
  2. Step 2: Convert to fraction form
    29,967.80/44,903.10 = 18,854.60/x
  3. Step 3: Cross multiply
    29,967.80x = 44,903.10 × 18,854.60
  4. Step 4: Simplify right side
    29,967.80x = 846,629,989.26
  5. Step 5: Solve for x
    x = 846,629,989.26/29,967.80
  6. Step 6: Final answer
    x = 28,251.32

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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.