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Finding the Fourth Proportional to 14,794.18, 20,411.06 and 9,760.90

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Solution

The fourth proportional to 14,794.18, 20,411.06 and 9,760.90 is: 13,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.18 : 20,411.06 = 9,760.90 : x
  2. Step 2: Convert to fraction form
    14,794.18/20,411.06 = 9,760.90/x
  3. Step 3: Cross multiply
    14,794.18x = 20,411.06 × 9,760.90
  4. Step 4: Simplify right side
    14,794.18x = 199,230,315.55
  5. Step 5: Solve for x
    x = 199,230,315.55/14,794.18
  6. Step 6: Final answer
    x = 13,466.80

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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.