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Finding the Fourth Proportional to 15,794.21, 23,670.83 and 6,423.32

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Solution

The fourth proportional to 15,794.21, 23,670.83 and 6,423.32 is: 9,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.21 : 23,670.83 = 6,423.32 : x
  2. Step 2: Convert to fraction form
    15,794.21/23,670.83 = 6,423.32/x
  3. Step 3: Cross multiply
    15,794.21x = 23,670.83 × 6,423.32
  4. Step 4: Simplify right side
    15,794.21x = 152,045,390.99
  5. Step 5: Solve for x
    x = 152,045,390.99/15,794.21
  6. Step 6: Final answer
    x = 9,626.65

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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.