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Finding the Fourth Proportional to 47,797.19, 65,899.17 and 29,885.66

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Solution

The fourth proportional to 47,797.19, 65,899.17 and 29,885.66 is: 41,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,797.19 : 65,899.17 = 29,885.66 : x
  2. Step 2: Convert to fraction form
    47,797.19/65,899.17 = 29,885.66/x
  3. Step 3: Cross multiply
    47,797.19x = 65,899.17 × 29,885.66
  4. Step 4: Simplify right side
    47,797.19x = 1,969,440,106.53
  5. Step 5: Solve for x
    x = 1,969,440,106.53/47,797.19
  6. Step 6: Final answer
    x = 41,204.10

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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.