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Finding the Fourth Proportional to 15,317.18, 22,958.54 and 7,799.64

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Solution

The fourth proportional to 15,317.18, 22,958.54 and 7,799.64 is: 11,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.18 : 22,958.54 = 7,799.64 : x
  2. Step 2: Convert to fraction form
    15,317.18/22,958.54 = 7,799.64/x
  3. Step 3: Cross multiply
    15,317.18x = 22,958.54 × 7,799.64
  4. Step 4: Simplify right side
    15,317.18x = 179,068,423.82
  5. Step 5: Solve for x
    x = 179,068,423.82/15,317.18
  6. Step 6: Final answer
    x = 11,690.69

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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.