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Finding the Fourth Proportional to 28,984.86, 43,455.99 and 9,252.03

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Solution

The fourth proportional to 28,984.86, 43,455.99 and 9,252.03 is: 13,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.86 : 43,455.99 = 9,252.03 : x
  2. Step 2: Convert to fraction form
    28,984.86/43,455.99 = 9,252.03/x
  3. Step 3: Cross multiply
    28,984.86x = 43,455.99 × 9,252.03
  4. Step 4: Simplify right side
    28,984.86x = 402,056,123.16
  5. Step 5: Solve for x
    x = 402,056,123.16/28,984.86
  6. Step 6: Final answer
    x = 13,871.25

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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.