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Finding the Fourth Proportional to 34,506.59, 47,620.85 and 19,401.71

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Solution

The fourth proportional to 34,506.59, 47,620.85 and 19,401.71 is: 26,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506.59 : 47,620.85 = 19,401.71 : x
  2. Step 2: Convert to fraction form
    34,506.59/47,620.85 = 19,401.71/x
  3. Step 3: Cross multiply
    34,506.59x = 47,620.85 × 19,401.71
  4. Step 4: Simplify right side
    34,506.59x = 923,925,586.54
  5. Step 5: Solve for x
    x = 923,925,586.54/34,506.59
  6. Step 6: Final answer
    x = 26,775.34

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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.