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Finding the Fourth Proportional to 43,889.88, 65,852.16 and 17,590.92

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Solution

The fourth proportional to 43,889.88, 65,852.16 and 17,590.92 is: 26,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889.88 : 65,852.16 = 17,590.92 : x
  2. Step 2: Convert to fraction form
    43,889.88/65,852.16 = 17,590.92/x
  3. Step 3: Cross multiply
    43,889.88x = 65,852.16 × 17,590.92
  4. Step 4: Simplify right side
    43,889.88x = 1,158,400,078.39
  5. Step 5: Solve for x
    x = 1,158,400,078.39/43,889.88
  6. Step 6: Final answer
    x = 26,393.33

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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.