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Finding the Fourth Proportional to 9,863.02, 14,799.14 and 4,315.65

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Solution

The fourth proportional to 9,863.02, 14,799.14 and 4,315.65 is: 6,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.02 : 14,799.14 = 4,315.65 : x
  2. Step 2: Convert to fraction form
    9,863.02/14,799.14 = 4,315.65/x
  3. Step 3: Cross multiply
    9,863.02x = 14,799.14 × 4,315.65
  4. Step 4: Simplify right side
    9,863.02x = 63,867,834.55
  5. Step 5: Solve for x
    x = 63,867,834.55/9,863.02
  6. Step 6: Final answer
    x = 6,475.48

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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.