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Finding the Fourth Proportional to 10,729.90, 14,808.27 and 6,253.30

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Solution

The fourth proportional to 10,729.90, 14,808.27 and 6,253.30 is: 8,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.90 : 14,808.27 = 6,253.30 : x
  2. Step 2: Convert to fraction form
    10,729.90/14,808.27 = 6,253.30/x
  3. Step 3: Cross multiply
    10,729.90x = 14,808.27 × 6,253.30
  4. Step 4: Simplify right side
    10,729.90x = 92,600,554.79
  5. Step 5: Solve for x
    x = 92,600,554.79/10,729.90
  6. Step 6: Final answer
    x = 8,630.14

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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.