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Finding the Fourth Proportional to 38,841.60, 53,606.40 and 26,265.60

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Solution

The fourth proportional to 38,841.60, 53,606.40 and 26,265.60 is: 36,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,841.60 : 53,606.40 = 26,265.60 : x
  2. Step 2: Convert to fraction form
    38,841.60/53,606.40 = 26,265.60/x
  3. Step 3: Cross multiply
    38,841.60x = 53,606.40 × 26,265.60
  4. Step 4: Simplify right side
    38,841.60x = 1,408,004,259.84
  5. Step 5: Solve for x
    x = 1,408,004,259.84/38,841.60
  6. Step 6: Final answer
    x = 36,249.90

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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.