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Finding the Fourth Proportional to 6,339.44, 8,750.78 and 4,772.08

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Solution

The fourth proportional to 6,339.44, 8,750.78 and 4,772.08 is: 6,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.44 : 8,750.78 = 4,772.08 : x
  2. Step 2: Convert to fraction form
    6,339.44/8,750.78 = 4,772.08/x
  3. Step 3: Cross multiply
    6,339.44x = 8,750.78 × 4,772.08
  4. Step 4: Simplify right side
    6,339.44x = 41,759,422.22
  5. Step 5: Solve for x
    x = 41,759,422.22/6,339.44
  6. Step 6: Final answer
    x = 6,587.24

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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.