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Finding the Fourth Proportional to 15,281.37, 22,926.92 and 7,485.93

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Solution

The fourth proportional to 15,281.37, 22,926.92 and 7,485.93 is: 11,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.37 : 22,926.92 = 7,485.93 : x
  2. Step 2: Convert to fraction form
    15,281.37/22,926.92 = 7,485.93/x
  3. Step 3: Cross multiply
    15,281.37x = 22,926.92 × 7,485.93
  4. Step 4: Simplify right side
    15,281.37x = 171,629,280.81
  5. Step 5: Solve for x
    x = 171,629,280.81/15,281.37
  6. Step 6: Final answer
    x = 11,231.28

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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.