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Finding the Fourth Proportional to 1,357.02, 2,032.83 and 625.59

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Solution

The fourth proportional to 1,357.02, 2,032.83 and 625.59 is: 937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.02 : 2,032.83 = 625.59 : x
  2. Step 2: Convert to fraction form
    1,357.02/2,032.83 = 625.59/x
  3. Step 3: Cross multiply
    1,357.02x = 2,032.83 × 625.59
  4. Step 4: Simplify right side
    1,357.02x = 1,271,718.12
  5. Step 5: Solve for x
    x = 1,271,718.12/1,357.02
  6. Step 6: Final answer
    x = 937.14

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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.