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Finding the Fourth Proportional to 6,078.64, 8,389.19 and 3,526.96

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Solution

The fourth proportional to 6,078.64, 8,389.19 and 3,526.96 is: 4,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.64 : 8,389.19 = 3,526.96 : x
  2. Step 2: Convert to fraction form
    6,078.64/8,389.19 = 3,526.96/x
  3. Step 3: Cross multiply
    6,078.64x = 8,389.19 × 3,526.96
  4. Step 4: Simplify right side
    6,078.64x = 29,588,356.87
  5. Step 5: Solve for x
    x = 29,588,356.87/6,078.64
  6. Step 6: Final answer
    x = 4,867.59

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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.