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Finding the Fourth Proportional to 18,036.69, 27,059.70 and 7,503.32

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Solution

The fourth proportional to 18,036.69, 27,059.70 and 7,503.32 is: 11,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.69 : 27,059.70 = 7,503.32 : x
  2. Step 2: Convert to fraction form
    18,036.69/27,059.70 = 7,503.32/x
  3. Step 3: Cross multiply
    18,036.69x = 27,059.70 × 7,503.32
  4. Step 4: Simplify right side
    18,036.69x = 203,037,588.20
  5. Step 5: Solve for x
    x = 203,037,588.20/18,036.69
  6. Step 6: Final answer
    x = 11,256.92

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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.