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Finding the Fourth Proportional to 4,702.24, 6,486.24 and 3,108.88

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Solution

The fourth proportional to 4,702.24, 6,486.24 and 3,108.88 is: 4,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.24 : 6,486.24 = 3,108.88 : x
  2. Step 2: Convert to fraction form
    4,702.24/6,486.24 = 3,108.88/x
  3. Step 3: Cross multiply
    4,702.24x = 6,486.24 × 3,108.88
  4. Step 4: Simplify right side
    4,702.24x = 20,164,941.81
  5. Step 5: Solve for x
    x = 20,164,941.81/4,702.24
  6. Step 6: Final answer
    x = 4,288.37

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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.