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Finding the Fourth Proportional to 9,817.84, 14,729.19 and 4,622.50

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Solution

The fourth proportional to 9,817.84, 14,729.19 and 4,622.50 is: 6,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.84 : 14,729.19 = 4,622.50 : x
  2. Step 2: Convert to fraction form
    9,817.84/14,729.19 = 4,622.50/x
  3. Step 3: Cross multiply
    9,817.84x = 14,729.19 × 4,622.50
  4. Step 4: Simplify right side
    9,817.84x = 68,085,680.78
  5. Step 5: Solve for x
    x = 68,085,680.78/9,817.84
  6. Step 6: Final answer
    x = 6,934.89

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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.