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Finding the Fourth Proportional to 9,420.67, 13,000.04 and 5,592.47

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Solution

The fourth proportional to 9,420.67, 13,000.04 and 5,592.47 is: 7,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.67 : 13,000.04 = 5,592.47 : x
  2. Step 2: Convert to fraction form
    9,420.67/13,000.04 = 5,592.47/x
  3. Step 3: Cross multiply
    9,420.67x = 13,000.04 × 5,592.47
  4. Step 4: Simplify right side
    9,420.67x = 72,702,284.95
  5. Step 5: Solve for x
    x = 72,702,284.95/9,420.67
  6. Step 6: Final answer
    x = 7,717.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.