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Finding the Fourth Proportional to 2,356.95, 3,535.35 and 625.58

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Solution

The fourth proportional to 2,356.95, 3,535.35 and 625.58 is: 938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.95 : 3,535.35 = 625.58 : x
  2. Step 2: Convert to fraction form
    2,356.95/3,535.35 = 625.58/x
  3. Step 3: Cross multiply
    2,356.95x = 3,535.35 × 625.58
  4. Step 4: Simplify right side
    2,356.95x = 2,211,644.25
  5. Step 5: Solve for x
    x = 2,211,644.25/2,356.95
  6. Step 6: Final answer
    x = 938.35

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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.