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Finding the Fourth Proportional to 36,870.07, 55,305.09 and 9,168.07

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Solution

The fourth proportional to 36,870.07, 55,305.09 and 9,168.07 is: 13,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.07 : 55,305.09 = 9,168.07 : x
  2. Step 2: Convert to fraction form
    36,870.07/55,305.09 = 9,168.07/x
  3. Step 3: Cross multiply
    36,870.07x = 55,305.09 × 9,168.07
  4. Step 4: Simplify right side
    36,870.07x = 507,040,936.48
  5. Step 5: Solve for x
    x = 507,040,936.48/36,870.07
  6. Step 6: Final answer
    x = 13,752.10

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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.