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Finding the Fourth Proportional to 23,712.68, 35,569.02 and 8,130.44

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Solution

The fourth proportional to 23,712.68, 35,569.02 and 8,130.44 is: 12,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,712.68 : 35,569.02 = 8,130.44 : x
  2. Step 2: Convert to fraction form
    23,712.68/35,569.02 = 8,130.44/x
  3. Step 3: Cross multiply
    23,712.68x = 35,569.02 × 8,130.44
  4. Step 4: Simplify right side
    23,712.68x = 289,191,782.97
  5. Step 5: Solve for x
    x = 289,191,782.97/23,712.68
  6. Step 6: Final answer
    x = 12,195.66

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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.