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Finding the Fourth Proportional to 15,019.38, 22,529.06 and 4,631.12

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Solution

The fourth proportional to 15,019.38, 22,529.06 and 4,631.12 is: 6,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.38 : 22,529.06 = 4,631.12 : x
  2. Step 2: Convert to fraction form
    15,019.38/22,529.06 = 4,631.12/x
  3. Step 3: Cross multiply
    15,019.38x = 22,529.06 × 4,631.12
  4. Step 4: Simplify right side
    15,019.38x = 104,334,780.35
  5. Step 5: Solve for x
    x = 104,334,780.35/15,019.38
  6. Step 6: Final answer
    x = 6,946.68

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Similar ratio
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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.