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Finding the Fourth Proportional to 18,024.01, 27,036.01 and 13,124.83

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Solution

The fourth proportional to 18,024.01, 27,036.01 and 13,124.83 is: 19,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.01 : 27,036.01 = 13,124.83 : x
  2. Step 2: Convert to fraction form
    18,024.01/27,036.01 = 13,124.83/x
  3. Step 3: Cross multiply
    18,024.01x = 27,036.01 × 13,124.83
  4. Step 4: Simplify right side
    18,024.01x = 354,843,071.55
  5. Step 5: Solve for x
    x = 354,843,071.55/18,024.01
  6. Step 6: Final answer
    x = 19,687.24

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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.