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Finding the Fourth Proportional to 23,153, 34,729.47 and 5,622.80

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Solution

The fourth proportional to 23,153, 34,729.47 and 5,622.80 is: 8,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153 : 34,729.47 = 5,622.80 : x
  2. Step 2: Convert to fraction form
    23,153/34,729.47 = 5,622.80/x
  3. Step 3: Cross multiply
    23,153x = 34,729.47 × 5,622.80
  4. Step 4: Simplify right side
    23,153x = 195,276,863.92
  5. Step 5: Solve for x
    x = 195,276,863.92/23,153
  6. Step 6: Final answer
    x = 8,434.19

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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.