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Finding the Fourth Proportional to 3,295.57, 4,548.15 and 1,878.81

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Solution

The fourth proportional to 3,295.57, 4,548.15 and 1,878.81 is: 2,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.57 : 4,548.15 = 1,878.81 : x
  2. Step 2: Convert to fraction form
    3,295.57/4,548.15 = 1,878.81/x
  3. Step 3: Cross multiply
    3,295.57x = 4,548.15 × 1,878.81
  4. Step 4: Simplify right side
    3,295.57x = 8,545,118.23
  5. Step 5: Solve for x
    x = 8,545,118.23/3,295.57
  6. Step 6: Final answer
    x = 2,592.91

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1.5x scale

Why These Related Problems?

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