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Finding the Fourth Proportional to 2,133.95, 3,200.02 and 746.87

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Solution

The fourth proportional to 2,133.95, 3,200.02 and 746.87 is: 1,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.95 : 3,200.02 = 746.87 : x
  2. Step 2: Convert to fraction form
    2,133.95/3,200.02 = 746.87/x
  3. Step 3: Cross multiply
    2,133.95x = 3,200.02 × 746.87
  4. Step 4: Simplify right side
    2,133.95x = 2,389,981.07
  5. Step 5: Solve for x
    x = 2,389,981.07/2,133.95
  6. Step 6: Final answer
    x = 1,119.98

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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.