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Finding the Fourth Proportional to 1,854.48, 2,548.47 and 1,768.82

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Solution

The fourth proportional to 1,854.48, 2,548.47 and 1,768.82 is: 2,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.48 : 2,548.47 = 1,768.82 : x
  2. Step 2: Convert to fraction form
    1,854.48/2,548.47 = 1,768.82/x
  3. Step 3: Cross multiply
    1,854.48x = 2,548.47 × 1,768.82
  4. Step 4: Simplify right side
    1,854.48x = 4,507,784.71
  5. Step 5: Solve for x
    x = 4,507,784.71/1,854.48
  6. Step 6: Final answer
    x = 2,430.75

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.