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Finding the Fourth Proportional to 15,662,561.70, 23,493,842.55 and 14,599,679.70

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Solution

The fourth proportional to 15,662,561.70, 23,493,842.55 and 14,599,679.70 is: 21,899,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,561.70 : 23,493,842.55 = 14,599,679.70 : x
  2. Step 2: Convert to fraction form
    15,662,561.70/23,493,842.55 = 14,599,679.70/x
  3. Step 3: Cross multiply
    15,662,561.70x = 23,493,842.55 × 14,599,679.70
  4. Step 4: Simplify right side
    15,662,561.70x = 343,002,576,152,231.25
  5. Step 5: Solve for x
    x = 343,002,576,152,231.25/15,662,561.70
  6. Step 6: Final answer
    x = 21,899,519.55

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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.