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Finding the Fourth Proportional to 15,800.74, 23,715.69 and 8,015.02

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Solution

The fourth proportional to 15,800.74, 23,715.69 and 8,015.02 is: 12,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.74 : 23,715.69 = 8,015.02 : x
  2. Step 2: Convert to fraction form
    15,800.74/23,715.69 = 8,015.02/x
  3. Step 3: Cross multiply
    15,800.74x = 23,715.69 × 8,015.02
  4. Step 4: Simplify right side
    15,800.74x = 190,081,729.66
  5. Step 5: Solve for x
    x = 190,081,729.66/15,800.74
  6. Step 6: Final answer
    x = 12,029.93

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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.