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Finding the Fourth Proportional to 3,533.92, 5,300.42 and 937.06

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Solution

The fourth proportional to 3,533.92, 5,300.42 and 937.06 is: 1,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.92 : 5,300.42 = 937.06 : x
  2. Step 2: Convert to fraction form
    3,533.92/5,300.42 = 937.06/x
  3. Step 3: Cross multiply
    3,533.92x = 5,300.42 × 937.06
  4. Step 4: Simplify right side
    3,533.92x = 4,966,811.57
  5. Step 5: Solve for x
    x = 4,966,811.57/3,533.92
  6. Step 6: Final answer
    x = 1,405.47

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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.