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Finding the Fourth Proportional to 15,920.70, 23,881.86 and 5,923.26

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Solution

The fourth proportional to 15,920.70, 23,881.86 and 5,923.26 is: 8,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.70 : 23,881.86 = 5,923.26 : x
  2. Step 2: Convert to fraction form
    15,920.70/23,881.86 = 5,923.26/x
  3. Step 3: Cross multiply
    15,920.70x = 23,881.86 × 5,923.26
  4. Step 4: Simplify right side
    15,920.70x = 141,458,466.06
  5. Step 5: Solve for x
    x = 141,458,466.06/15,920.70
  6. Step 6: Final answer
    x = 8,885.19

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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.