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Finding the Fourth Proportional to 30,601.84, 45,888.91 and 10,880.92

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Solution

The fourth proportional to 30,601.84, 45,888.91 and 10,880.92 is: 16,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.84 : 45,888.91 = 10,880.92 : x
  2. Step 2: Convert to fraction form
    30,601.84/45,888.91 = 10,880.92/x
  3. Step 3: Cross multiply
    30,601.84x = 45,888.91 × 10,880.92
  4. Step 4: Simplify right side
    30,601.84x = 499,313,558.60
  5. Step 5: Solve for x
    x = 499,313,558.60/30,601.84
  6. Step 6: Final answer
    x = 16,316.46

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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.