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Finding the Fourth Proportional to 15,806.91, 23,712.93 and 5,946.96

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Solution

The fourth proportional to 15,806.91, 23,712.93 and 5,946.96 is: 8,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.91 : 23,712.93 = 5,946.96 : x
  2. Step 2: Convert to fraction form
    15,806.91/23,712.93 = 5,946.96/x
  3. Step 3: Cross multiply
    15,806.91x = 23,712.93 × 5,946.96
  4. Step 4: Simplify right side
    15,806.91x = 141,019,846.19
  5. Step 5: Solve for x
    x = 141,019,846.19/15,806.91
  6. Step 6: Final answer
    x = 8,921.41

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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.