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Finding the Fourth Proportional to 15,458.58, 23,189.57 and 4,926.15

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Solution

The fourth proportional to 15,458.58, 23,189.57 and 4,926.15 is: 7,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.58 : 23,189.57 = 4,926.15 : x
  2. Step 2: Convert to fraction form
    15,458.58/23,189.57 = 4,926.15/x
  3. Step 3: Cross multiply
    15,458.58x = 23,189.57 × 4,926.15
  4. Step 4: Simplify right side
    15,458.58x = 114,235,275.62
  5. Step 5: Solve for x
    x = 114,235,275.62/15,458.58
  6. Step 6: Final answer
    x = 7,389.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.