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Finding the Fourth Proportional to 47,653.90, 65,775.29 and 29,738.32

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Solution

The fourth proportional to 47,653.90, 65,775.29 and 29,738.32 is: 41,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,653.90 : 65,775.29 = 29,738.32 : x
  2. Step 2: Convert to fraction form
    47,653.90/65,775.29 = 29,738.32/x
  3. Step 3: Cross multiply
    47,653.90x = 65,775.29 × 29,738.32
  4. Step 4: Simplify right side
    47,653.90x = 1,956,046,622.11
  5. Step 5: Solve for x
    x = 1,956,046,622.11/47,653.90
  6. Step 6: Final answer
    x = 41,046.94

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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.