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Finding the Fourth Proportional to 47,770.40, 65,919.48 and 26,548.40

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Solution

The fourth proportional to 47,770.40, 65,919.48 and 26,548.40 is: 36,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770.40 : 65,919.48 = 26,548.40 : x
  2. Step 2: Convert to fraction form
    47,770.40/65,919.48 = 26,548.40/x
  3. Step 3: Cross multiply
    47,770.40x = 65,919.48 × 26,548.40
  4. Step 4: Simplify right side
    47,770.40x = 1,750,056,722.83
  5. Step 5: Solve for x
    x = 1,750,056,722.83/47,770.40
  6. Step 6: Final answer
    x = 36,634.75

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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.