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Finding the Fourth Proportional to 23,921.32, 35,880.54 and 7,505.32

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Solution

The fourth proportional to 23,921.32, 35,880.54 and 7,505.32 is: 11,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,921.32 : 35,880.54 = 7,505.32 : x
  2. Step 2: Convert to fraction form
    23,921.32/35,880.54 = 7,505.32/x
  3. Step 3: Cross multiply
    23,921.32x = 35,880.54 × 7,505.32
  4. Step 4: Simplify right side
    23,921.32x = 269,294,934.47
  5. Step 5: Solve for x
    x = 269,294,934.47/23,921.32
  6. Step 6: Final answer
    x = 11,257.53

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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.