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Finding the Fourth Proportional to 6,313.61, 8,708.07 and 4,634.48

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Solution

The fourth proportional to 6,313.61, 8,708.07 and 4,634.48 is: 6,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.61 : 8,708.07 = 4,634.48 : x
  2. Step 2: Convert to fraction form
    6,313.61/8,708.07 = 4,634.48/x
  3. Step 3: Cross multiply
    6,313.61x = 8,708.07 × 4,634.48
  4. Step 4: Simplify right side
    6,313.61x = 40,357,415.40
  5. Step 5: Solve for x
    x = 40,357,415.40/6,313.61
  6. Step 6: Final answer
    x = 6,392.13

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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.