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Finding the Fourth Proportional to 5,017.92, 7,528 and 1,940.16

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Solution

The fourth proportional to 5,017.92, 7,528 and 1,940.16 is: 2,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.92 : 7,528 = 1,940.16 : x
  2. Step 2: Convert to fraction form
    5,017.92/7,528 = 1,940.16/x
  3. Step 3: Cross multiply
    5,017.92x = 7,528 × 1,940.16
  4. Step 4: Simplify right side
    5,017.92x = 14,605,524.48
  5. Step 5: Solve for x
    x = 14,605,524.48/5,017.92
  6. Step 6: Final answer
    x = 2,910.67

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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.