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Finding the Fourth Proportional to 8,797.92, 13,176.06 and 7,637.38

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Solution

The fourth proportional to 8,797.92, 13,176.06 and 7,637.38 is: 11,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.92 : 13,176.06 = 7,637.38 : x
  2. Step 2: Convert to fraction form
    8,797.92/13,176.06 = 7,637.38/x
  3. Step 3: Cross multiply
    8,797.92x = 13,176.06 × 7,637.38
  4. Step 4: Simplify right side
    8,797.92x = 100,630,577.12
  5. Step 5: Solve for x
    x = 100,630,577.12/8,797.92
  6. Step 6: Final answer
    x = 11,438.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.