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Finding the Fourth Proportional to 15,554.89, 23,342 and 6,320.89

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Solution

The fourth proportional to 15,554.89, 23,342 and 6,320.89 is: 9,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.89 : 23,342 = 6,320.89 : x
  2. Step 2: Convert to fraction form
    15,554.89/23,342 = 6,320.89/x
  3. Step 3: Cross multiply
    15,554.89x = 23,342 × 6,320.89
  4. Step 4: Simplify right side
    15,554.89x = 147,542,214.38
  5. Step 5: Solve for x
    x = 147,542,214.38/15,554.89
  6. Step 6: Final answer
    x = 9,485.26

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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.