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Finding the Fourth Proportional to 6,393.23, 8,823.71 and 4,004.11

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Solution

The fourth proportional to 6,393.23, 8,823.71 and 4,004.11 is: 5,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.23 : 8,823.71 = 4,004.11 : x
  2. Step 2: Convert to fraction form
    6,393.23/8,823.71 = 4,004.11/x
  3. Step 3: Cross multiply
    6,393.23x = 8,823.71 × 4,004.11
  4. Step 4: Simplify right side
    6,393.23x = 35,331,054.33
  5. Step 5: Solve for x
    x = 35,331,054.33/6,393.23
  6. Step 6: Final answer
    x = 5,526.32

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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.