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Finding the Fourth Proportional to 28,944.98, 43,417.47 and 8,168.48

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Solution

The fourth proportional to 28,944.98, 43,417.47 and 8,168.48 is: 12,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.98 : 43,417.47 = 8,168.48 : x
  2. Step 2: Convert to fraction form
    28,944.98/43,417.47 = 8,168.48/x
  3. Step 3: Cross multiply
    28,944.98x = 43,417.47 × 8,168.48
  4. Step 4: Simplify right side
    28,944.98x = 354,654,665.76
  5. Step 5: Solve for x
    x = 354,654,665.76/28,944.98
  6. Step 6: Final answer
    x = 12,252.72

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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.