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Finding the Fourth Proportional to 9,991.92, 15,004.59 and 9,594.60

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Solution

The fourth proportional to 9,991.92, 15,004.59 and 9,594.60 is: 14,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.92 : 15,004.59 = 9,594.60 : x
  2. Step 2: Convert to fraction form
    9,991.92/15,004.59 = 9,594.60/x
  3. Step 3: Cross multiply
    9,991.92x = 15,004.59 × 9,594.60
  4. Step 4: Simplify right side
    9,991.92x = 143,963,039.21
  5. Step 5: Solve for x
    x = 143,963,039.21/9,991.92
  6. Step 6: Final answer
    x = 14,407.95

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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.