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Finding the Fourth Proportional to 51,000.88, 70,343.76 and 29,778.88

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Solution

The fourth proportional to 51,000.88, 70,343.76 and 29,778.88 is: 41,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.88 : 70,343.76 = 29,778.88 : x
  2. Step 2: Convert to fraction form
    51,000.88/70,343.76 = 29,778.88/x
  3. Step 3: Cross multiply
    51,000.88x = 70,343.76 × 29,778.88
  4. Step 4: Simplify right side
    51,000.88x = 2,094,758,387.79
  5. Step 5: Solve for x
    x = 2,094,758,387.79/51,000.88
  6. Step 6: Final answer
    x = 41,072.99

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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.