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Finding the Fourth Proportional to 2,650.95, 3,656.25 and 1,854.02

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Solution

The fourth proportional to 2,650.95, 3,656.25 and 1,854.02 is: 2,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.95 : 3,656.25 = 1,854.02 : x
  2. Step 2: Convert to fraction form
    2,650.95/3,656.25 = 1,854.02/x
  3. Step 3: Cross multiply
    2,650.95x = 3,656.25 × 1,854.02
  4. Step 4: Simplify right side
    2,650.95x = 6,778,742.34
  5. Step 5: Solve for x
    x = 6,778,742.34/2,650.95
  6. Step 6: Final answer
    x = 2,557.10

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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.