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Finding the Fourth Proportional to 22,125.15, 30,533.22 and 12,054.15

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Solution

The fourth proportional to 22,125.15, 30,533.22 and 12,054.15 is: 16,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.15 : 30,533.22 = 12,054.15 : x
  2. Step 2: Convert to fraction form
    22,125.15/30,533.22 = 12,054.15/x
  3. Step 3: Cross multiply
    22,125.15x = 30,533.22 × 12,054.15
  4. Step 4: Simplify right side
    22,125.15x = 368,052,013.86
  5. Step 5: Solve for x
    x = 368,052,013.86/22,125.15
  6. Step 6: Final answer
    x = 16,635.01

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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.