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Finding the Fourth Proportional to 36,870.08, 55,305.09 and 9,168.08

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Solution

The fourth proportional to 36,870.08, 55,305.09 and 9,168.08 is: 13,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.08 : 55,305.09 = 9,168.08 : x
  2. Step 2: Convert to fraction form
    36,870.08/55,305.09 = 9,168.08/x
  3. Step 3: Cross multiply
    36,870.08x = 55,305.09 × 9,168.08
  4. Step 4: Simplify right side
    36,870.08x = 507,041,489.53
  5. Step 5: Solve for x
    x = 507,041,489.53/36,870.08
  6. Step 6: Final answer
    x = 13,752.11

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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.