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Finding the Fourth Proportional to 43,924.88, 65,890.24 and 15,458.40

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Solution

The fourth proportional to 43,924.88, 65,890.24 and 15,458.40 is: 23,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,924.88 : 65,890.24 = 15,458.40 : x
  2. Step 2: Convert to fraction form
    43,924.88/65,890.24 = 15,458.40/x
  3. Step 3: Cross multiply
    43,924.88x = 65,890.24 × 15,458.40
  4. Step 4: Simplify right side
    43,924.88x = 1,018,557,686.02
  5. Step 5: Solve for x
    x = 1,018,557,686.02/43,924.88
  6. Step 6: Final answer
    x = 23,188.63

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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.