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Finding the Fourth Proportional to 14,432.46, 21,599.46 and 8,889.63

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Solution

The fourth proportional to 14,432.46, 21,599.46 and 8,889.63 is: 13,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.46 : 21,599.46 = 8,889.63 : x
  2. Step 2: Convert to fraction form
    14,432.46/21,599.46 = 8,889.63/x
  3. Step 3: Cross multiply
    14,432.46x = 21,599.46 × 8,889.63
  4. Step 4: Simplify right side
    14,432.46x = 192,011,207.60
  5. Step 5: Solve for x
    x = 192,011,207.60/14,432.46
  6. Step 6: Final answer
    x = 13,304.12

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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.