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Finding the Fourth Proportional to 2,345.59, 3,235.93 and 1,550.00

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Solution

The fourth proportional to 2,345.59, 3,235.93 and 1,550.00 is: 2,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.59 : 3,235.93 = 1,550.00 : x
  2. Step 2: Convert to fraction form
    2,345.59/3,235.93 = 1,550.00/x
  3. Step 3: Cross multiply
    2,345.59x = 3,235.93 × 1,550.00
  4. Step 4: Simplify right side
    2,345.59x = 5,015,675.32
  5. Step 5: Solve for x
    x = 5,015,675.32/2,345.59
  6. Step 6: Final answer
    x = 2,138.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.