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Finding the Fourth Proportional to 25,446.29, 38,172.05 and 8,806.29

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Solution

The fourth proportional to 25,446.29, 38,172.05 and 8,806.29 is: 13,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.29 : 38,172.05 = 8,806.29 : x
  2. Step 2: Convert to fraction form
    25,446.29/38,172.05 = 8,806.29/x
  3. Step 3: Cross multiply
    25,446.29x = 38,172.05 × 8,806.29
  4. Step 4: Simplify right side
    25,446.29x = 336,154,237.62
  5. Step 5: Solve for x
    x = 336,154,237.62/25,446.29
  6. Step 6: Final answer
    x = 13,210.35

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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.