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Finding the Fourth Proportional to 34,393.04, 47,461.41 and 20,959.39

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Solution

The fourth proportional to 34,393.04, 47,461.41 and 20,959.39 is: 28,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,393.04 : 47,461.41 = 20,959.39 : x
  2. Step 2: Convert to fraction form
    34,393.04/47,461.41 = 20,959.39/x
  3. Step 3: Cross multiply
    34,393.04x = 47,461.41 × 20,959.39
  4. Step 4: Simplify right side
    34,393.04x = 994,762,097.34
  5. Step 5: Solve for x
    x = 994,762,097.34/34,393.04
  6. Step 6: Final answer
    x = 28,923.35

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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.