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Finding the Fourth Proportional to 34,411.55, 51,611.17 and 21,894.39

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Solution

The fourth proportional to 34,411.55, 51,611.17 and 21,894.39 is: 32,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,411.55 : 51,611.17 = 21,894.39 : x
  2. Step 2: Convert to fraction form
    34,411.55/51,611.17 = 21,894.39/x
  3. Step 3: Cross multiply
    34,411.55x = 51,611.17 × 21,894.39
  4. Step 4: Simplify right side
    34,411.55x = 1,129,995,116.29
  5. Step 5: Solve for x
    x = 1,129,995,116.29/34,411.55
  6. Step 6: Final answer
    x = 32,837.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.