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Finding the Fourth Proportional to 28,259.84, 42,394.44 and 9,541.64

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Solution

The fourth proportional to 28,259.84, 42,394.44 and 9,541.64 is: 14,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.84 : 42,394.44 = 9,541.64 : x
  2. Step 2: Convert to fraction form
    28,259.84/42,394.44 = 9,541.64/x
  3. Step 3: Cross multiply
    28,259.84x = 42,394.44 × 9,541.64
  4. Step 4: Simplify right side
    28,259.84x = 404,512,484.48
  5. Step 5: Solve for x
    x = 404,512,484.48/28,259.84
  6. Step 6: Final answer
    x = 14,314.04

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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.