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Finding the Fourth Proportional to 2,848.48, 4,253.72 and 2,702.68

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Solution

The fourth proportional to 2,848.48, 4,253.72 and 2,702.68 is: 4,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.48 : 4,253.72 = 2,702.68 : x
  2. Step 2: Convert to fraction form
    2,848.48/4,253.72 = 2,702.68/x
  3. Step 3: Cross multiply
    2,848.48x = 4,253.72 × 2,702.68
  4. Step 4: Simplify right side
    2,848.48x = 11,496,443.97
  5. Step 5: Solve for x
    x = 11,496,443.97/2,848.48
  6. Step 6: Final answer
    x = 4,035.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.