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Finding the Fourth Proportional to 28,892.54, 43,333.86 and 9,166.70

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Solution

The fourth proportional to 28,892.54, 43,333.86 and 9,166.70 is: 13,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.54 : 43,333.86 = 9,166.70 : x
  2. Step 2: Convert to fraction form
    28,892.54/43,333.86 = 9,166.70/x
  3. Step 3: Cross multiply
    28,892.54x = 43,333.86 × 9,166.70
  4. Step 4: Simplify right side
    28,892.54x = 397,228,494.46
  5. Step 5: Solve for x
    x = 397,228,494.46/28,892.54
  6. Step 6: Final answer
    x = 13,748.48

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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.