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Finding the Fourth Proportional to 1,847.55, 2,549.72 and 1,061.64

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Solution

The fourth proportional to 1,847.55, 2,549.72 and 1,061.64 is: 1,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.55 : 2,549.72 = 1,061.64 : x
  2. Step 2: Convert to fraction form
    1,847.55/2,549.72 = 1,061.64/x
  3. Step 3: Cross multiply
    1,847.55x = 2,549.72 × 1,061.64
  4. Step 4: Simplify right side
    1,847.55x = 2,706,884.74
  5. Step 5: Solve for x
    x = 2,706,884.74/1,847.55
  6. Step 6: Final answer
    x = 1,465.12

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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.