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Finding the Fourth Proportional to 15,210.82, 22,768.42 and 9,670.42

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Solution

The fourth proportional to 15,210.82, 22,768.42 and 9,670.42 is: 14,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.82 : 22,768.42 = 9,670.42 : x
  2. Step 2: Convert to fraction form
    15,210.82/22,768.42 = 9,670.42/x
  3. Step 3: Cross multiply
    15,210.82x = 22,768.42 × 9,670.42
  4. Step 4: Simplify right side
    15,210.82x = 220,180,184.14
  5. Step 5: Solve for x
    x = 220,180,184.14/15,210.82
  6. Step 6: Final answer
    x = 14,475.23

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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.