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Finding the Fourth Proportional to 27,323.46, 40,981.60 and 8,603.60

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Solution

The fourth proportional to 27,323.46, 40,981.60 and 8,603.60 is: 12,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.46 : 40,981.60 = 8,603.60 : x
  2. Step 2: Convert to fraction form
    27,323.46/40,981.60 = 8,603.60/x
  3. Step 3: Cross multiply
    27,323.46x = 40,981.60 × 8,603.60
  4. Step 4: Simplify right side
    27,323.46x = 352,589,293.76
  5. Step 5: Solve for x
    x = 352,589,293.76/27,323.46
  6. Step 6: Final answer
    x = 12,904.27

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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.