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Finding the Fourth Proportional to 15,287.00, 22,933.94 and 5,426.28

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Solution

The fourth proportional to 15,287.00, 22,933.94 and 5,426.28 is: 8,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.00 : 22,933.94 = 5,426.28 : x
  2. Step 2: Convert to fraction form
    15,287.00/22,933.94 = 5,426.28/x
  3. Step 3: Cross multiply
    15,287.00x = 22,933.94 × 5,426.28
  4. Step 4: Simplify right side
    15,287.00x = 124,445,952.81
  5. Step 5: Solve for x
    x = 124,445,952.81/15,287.00
  6. Step 6: Final answer
    x = 8,140.64

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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.