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Finding the Fourth Proportional to 47,788.01, 65,920.22 and 29,630.45

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Solution

The fourth proportional to 47,788.01, 65,920.22 and 29,630.45 is: 40,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,788.01 : 65,920.22 = 29,630.45 : x
  2. Step 2: Convert to fraction form
    47,788.01/65,920.22 = 29,630.45/x
  3. Step 3: Cross multiply
    47,788.01x = 65,920.22 × 29,630.45
  4. Step 4: Simplify right side
    47,788.01x = 1,953,245,782.70
  5. Step 5: Solve for x
    x = 1,953,245,782.70/47,788.01
  6. Step 6: Final answer
    x = 40,873.13

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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.