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Finding the Fourth Proportional to 15,446.70, 23,141.70 and 8,853.30

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Solution

The fourth proportional to 15,446.70, 23,141.70 and 8,853.30 is: 13,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.70 : 23,141.70 = 8,853.30 : x
  2. Step 2: Convert to fraction form
    15,446.70/23,141.70 = 8,853.30/x
  3. Step 3: Cross multiply
    15,446.70x = 23,141.70 × 8,853.30
  4. Step 4: Simplify right side
    15,446.70x = 204,880,412.61
  5. Step 5: Solve for x
    x = 204,880,412.61/15,446.70
  6. Step 6: Final answer
    x = 13,263.70

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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.