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Finding the Fourth Proportional to 18,892.16, 28,337.52 and 5,041.04

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Solution

The fourth proportional to 18,892.16, 28,337.52 and 5,041.04 is: 7,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.16 : 28,337.52 = 5,041.04 : x
  2. Step 2: Convert to fraction form
    18,892.16/28,337.52 = 5,041.04/x
  3. Step 3: Cross multiply
    18,892.16x = 28,337.52 × 5,041.04
  4. Step 4: Simplify right side
    18,892.16x = 142,850,571.82
  5. Step 5: Solve for x
    x = 142,850,571.82/18,892.16
  6. Step 6: Final answer
    x = 7,561.37

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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.