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Finding the Fourth Proportional to 47,620.32, 65,723.04 and 26,404.80

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Solution

The fourth proportional to 47,620.32, 65,723.04 and 26,404.80 is: 36,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.32 : 65,723.04 = 26,404.80 : x
  2. Step 2: Convert to fraction form
    47,620.32/65,723.04 = 26,404.80/x
  3. Step 3: Cross multiply
    47,620.32x = 65,723.04 × 26,404.80
  4. Step 4: Simplify right side
    47,620.32x = 1,735,403,726.59
  5. Step 5: Solve for x
    x = 1,735,403,726.59/47,620.32
  6. Step 6: Final answer
    x = 36,442.50

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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.