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Finding the Fourth Proportional to 22,970.44, 34,446.76 and 8,928.62

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Solution

The fourth proportional to 22,970.44, 34,446.76 and 8,928.62 is: 13,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.44 : 34,446.76 = 8,928.62 : x
  2. Step 2: Convert to fraction form
    22,970.44/34,446.76 = 8,928.62/x
  3. Step 3: Cross multiply
    22,970.44x = 34,446.76 × 8,928.62
  4. Step 4: Simplify right side
    22,970.44x = 307,562,030.27
  5. Step 5: Solve for x
    x = 307,562,030.27/22,970.44
  6. Step 6: Final answer
    x = 13,389.47

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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.