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Finding the Fourth Proportional to 2,325.93, 3,487.59 and 939.93

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Solution

The fourth proportional to 2,325.93, 3,487.59 and 939.93 is: 1,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.93 : 3,487.59 = 939.93 : x
  2. Step 2: Convert to fraction form
    2,325.93/3,487.59 = 939.93/x
  3. Step 3: Cross multiply
    2,325.93x = 3,487.59 × 939.93
  4. Step 4: Simplify right side
    2,325.93x = 3,278,090.47
  5. Step 5: Solve for x
    x = 3,278,090.47/2,325.93
  6. Step 6: Final answer
    x = 1,409.37

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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.