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Finding the Fourth Proportional to 5,582.88, 7,702.32 and 3,224.16

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Solution

The fourth proportional to 5,582.88, 7,702.32 and 3,224.16 is: 4,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.88 : 7,702.32 = 3,224.16 : x
  2. Step 2: Convert to fraction form
    5,582.88/7,702.32 = 3,224.16/x
  3. Step 3: Cross multiply
    5,582.88x = 7,702.32 × 3,224.16
  4. Step 4: Simplify right side
    5,582.88x = 24,833,512.05
  5. Step 5: Solve for x
    x = 24,833,512.05/5,582.88
  6. Step 6: Final answer
    x = 4,448.15

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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.