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Finding the Fourth Proportional to 6,365.44, 8,784.16 and 3,570.92

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Solution

The fourth proportional to 6,365.44, 8,784.16 and 3,570.92 is: 4,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.44 : 8,784.16 = 3,570.92 : x
  2. Step 2: Convert to fraction form
    6,365.44/8,784.16 = 3,570.92/x
  3. Step 3: Cross multiply
    6,365.44x = 8,784.16 × 3,570.92
  4. Step 4: Simplify right side
    6,365.44x = 31,367,532.63
  5. Step 5: Solve for x
    x = 31,367,532.63/6,365.44
  6. Step 6: Final answer
    x = 4,927.79

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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.