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Finding the Fourth Proportional to 29,162.88, 40,152 and 25,435.52

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Solution

The fourth proportional to 29,162.88, 40,152 and 25,435.52 is: 35,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,162.88 : 40,152 = 25,435.52 : x
  2. Step 2: Convert to fraction form
    29,162.88/40,152 = 25,435.52/x
  3. Step 3: Cross multiply
    29,162.88x = 40,152 × 25,435.52
  4. Step 4: Simplify right side
    29,162.88x = 1,021,286,999.04
  5. Step 5: Solve for x
    x = 1,021,286,999.04/29,162.88
  6. Step 6: Final answer
    x = 35,020.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.