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Finding the Fourth Proportional to 34,367.40, 51,551.10 and 14,639.40

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Solution

The fourth proportional to 34,367.40, 51,551.10 and 14,639.40 is: 21,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,367.40 : 51,551.10 = 14,639.40 : x
  2. Step 2: Convert to fraction form
    34,367.40/51,551.10 = 14,639.40/x
  3. Step 3: Cross multiply
    34,367.40x = 51,551.10 × 14,639.40
  4. Step 4: Simplify right side
    34,367.40x = 754,677,173.34
  5. Step 5: Solve for x
    x = 754,677,173.34/34,367.40
  6. Step 6: Final answer
    x = 21,959.10

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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.