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Finding the Fourth Proportional to 9,651.90, 14,479.53 and 3,411.42

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Solution

The fourth proportional to 9,651.90, 14,479.53 and 3,411.42 is: 5,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.90 : 14,479.53 = 3,411.42 : x
  2. Step 2: Convert to fraction form
    9,651.90/14,479.53 = 3,411.42/x
  3. Step 3: Cross multiply
    9,651.90x = 14,479.53 × 3,411.42
  4. Step 4: Simplify right side
    9,651.90x = 49,395,758.23
  5. Step 5: Solve for x
    x = 49,395,758.23/9,651.90
  6. Step 6: Final answer
    x = 5,117.72

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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.