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Finding the Fourth Proportional to 4,365.53, 6,548.13 and 1,078.54

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Solution

The fourth proportional to 4,365.53, 6,548.13 and 1,078.54 is: 1,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.53 : 6,548.13 = 1,078.54 : x
  2. Step 2: Convert to fraction form
    4,365.53/6,548.13 = 1,078.54/x
  3. Step 3: Cross multiply
    4,365.53x = 6,548.13 × 1,078.54
  4. Step 4: Simplify right side
    4,365.53x = 7,062,420.13
  5. Step 5: Solve for x
    x = 7,062,420.13/4,365.53
  6. Step 6: Final answer
    x = 1,617.77

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1.5x scale

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.