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Finding the Fourth Proportional to 7,370.64, 10,164.24 and 6,254.64

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Solution

The fourth proportional to 7,370.64, 10,164.24 and 6,254.64 is: 8,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.64 : 10,164.24 = 6,254.64 : x
  2. Step 2: Convert to fraction form
    7,370.64/10,164.24 = 6,254.64/x
  3. Step 3: Cross multiply
    7,370.64x = 10,164.24 × 6,254.64
  4. Step 4: Simplify right side
    7,370.64x = 63,573,662.07
  5. Step 5: Solve for x
    x = 63,573,662.07/7,370.64
  6. Step 6: Final answer
    x = 8,625.26

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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.