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Finding the Fourth Proportional to 4,821.74, 7,233.36 and 1,702.16

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Solution

The fourth proportional to 4,821.74, 7,233.36 and 1,702.16 is: 2,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.74 : 7,233.36 = 1,702.16 : x
  2. Step 2: Convert to fraction form
    4,821.74/7,233.36 = 1,702.16/x
  3. Step 3: Cross multiply
    4,821.74x = 7,233.36 × 1,702.16
  4. Step 4: Simplify right side
    4,821.74x = 12,312,336.06
  5. Step 5: Solve for x
    x = 12,312,336.06/4,821.74
  6. Step 6: Final answer
    x = 2,553.50

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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.