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Finding the Fourth Proportional to 14,907.92, 20,568.44 and 8,937.41

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Solution

The fourth proportional to 14,907.92, 20,568.44 and 8,937.41 is: 12,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.92 : 20,568.44 = 8,937.41 : x
  2. Step 2: Convert to fraction form
    14,907.92/20,568.44 = 8,937.41/x
  3. Step 3: Cross multiply
    14,907.92x = 20,568.44 × 8,937.41
  4. Step 4: Simplify right side
    14,907.92x = 183,828,433.81
  5. Step 5: Solve for x
    x = 183,828,433.81/14,907.92
  6. Step 6: Final answer
    x = 12,330.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.