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Finding the Fourth Proportional to 6,395.32, 8,828.99 and 4,486.98

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Solution

The fourth proportional to 6,395.32, 8,828.99 and 4,486.98 is: 6,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.32 : 8,828.99 = 4,486.98 : x
  2. Step 2: Convert to fraction form
    6,395.32/8,828.99 = 4,486.98/x
  3. Step 3: Cross multiply
    6,395.32x = 8,828.99 × 4,486.98
  4. Step 4: Simplify right side
    6,395.32x = 39,615,479.12
  5. Step 5: Solve for x
    x = 39,615,479.12/6,395.32
  6. Step 6: Final answer
    x = 6,194.45

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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.