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Finding the Fourth Proportional to 22,080.04, 30,471.03 and 12,009.06

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Solution

The fourth proportional to 22,080.04, 30,471.03 and 12,009.06 is: 16,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,080.04 : 30,471.03 = 12,009.06 : x
  2. Step 2: Convert to fraction form
    22,080.04/30,471.03 = 12,009.06/x
  3. Step 3: Cross multiply
    22,080.04x = 30,471.03 × 12,009.06
  4. Step 4: Simplify right side
    22,080.04x = 365,928,427.53
  5. Step 5: Solve for x
    x = 365,928,427.53/22,080.04
  6. Step 6: Final answer
    x = 16,572.82

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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.