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Finding the Fourth Proportional to 18,573.42, 27,859.66 and 4,533.49

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Solution

The fourth proportional to 18,573.42, 27,859.66 and 4,533.49 is: 6,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.42 : 27,859.66 = 4,533.49 : x
  2. Step 2: Convert to fraction form
    18,573.42/27,859.66 = 4,533.49/x
  3. Step 3: Cross multiply
    18,573.42x = 27,859.66 × 4,533.49
  4. Step 4: Simplify right side
    18,573.42x = 126,301,490.01
  5. Step 5: Solve for x
    x = 126,301,490.01/18,573.42
  6. Step 6: Final answer
    x = 6,800.12

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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.