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Finding the Fourth Proportional to 34,756.78, 47,964.48 and 18,841.28

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Solution

The fourth proportional to 34,756.78, 47,964.48 and 18,841.28 is: 26,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.78 : 47,964.48 = 18,841.28 : x
  2. Step 2: Convert to fraction form
    34,756.78/47,964.48 = 18,841.28/x
  3. Step 3: Cross multiply
    34,756.78x = 47,964.48 × 18,841.28
  4. Step 4: Simplify right side
    34,756.78x = 903,712,197.73
  5. Step 5: Solve for x
    x = 903,712,197.73/34,756.78
  6. Step 6: Final answer
    x = 26,001.03

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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.