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Finding the Fourth Proportional to 15,333.64, 22,980.96 and 7,936.72

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Solution

The fourth proportional to 15,333.64, 22,980.96 and 7,936.72 is: 11,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.64 : 22,980.96 = 7,936.72 : x
  2. Step 2: Convert to fraction form
    15,333.64/22,980.96 = 7,936.72/x
  3. Step 3: Cross multiply
    15,333.64x = 22,980.96 × 7,936.72
  4. Step 4: Simplify right side
    15,333.64x = 182,393,444.85
  5. Step 5: Solve for x
    x = 182,393,444.85/15,333.64
  6. Step 6: Final answer
    x = 11,894.99

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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.