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Finding the Fourth Proportional to 6,342.44, 8,751.78 and 3,547.24

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Solution

The fourth proportional to 6,342.44, 8,751.78 and 3,547.24 is: 4,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.44 : 8,751.78 = 3,547.24 : x
  2. Step 2: Convert to fraction form
    6,342.44/8,751.78 = 3,547.24/x
  3. Step 3: Cross multiply
    6,342.44x = 8,751.78 × 3,547.24
  4. Step 4: Simplify right side
    6,342.44x = 31,044,664.09
  5. Step 5: Solve for x
    x = 31,044,664.09/6,342.44
  6. Step 6: Final answer
    x = 4,894.75

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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.