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Finding the Fourth Proportional to 15,873.75, 23,811.81 and 5,343.74

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Solution

The fourth proportional to 15,873.75, 23,811.81 and 5,343.74 is: 8,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.75 : 23,811.81 = 5,343.74 : x
  2. Step 2: Convert to fraction form
    15,873.75/23,811.81 = 5,343.74/x
  3. Step 3: Cross multiply
    15,873.75x = 23,811.81 × 5,343.74
  4. Step 4: Simplify right side
    15,873.75x = 127,244,002.51
  5. Step 5: Solve for x
    x = 127,244,002.51/15,873.75
  6. Step 6: Final answer
    x = 8,016.00

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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.