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Finding the Fourth Proportional to 14,631.30, 20,522.70 and 14,631.30

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Solution

The fourth proportional to 14,631.30, 20,522.70 and 14,631.30 is: 20,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.30 : 20,522.70 = 14,631.30 : x
  2. Step 2: Convert to fraction form
    14,631.30/20,522.70 = 14,631.30/x
  3. Step 3: Cross multiply
    14,631.30x = 20,522.70 × 14,631.30
  4. Step 4: Simplify right side
    14,631.30x = 300,273,780.51
  5. Step 5: Solve for x
    x = 300,273,780.51/14,631.30
  6. Step 6: Final answer
    x = 20,522.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.