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Finding the Fourth Proportional to 8,802.56, 12,148.48 and 5,615.94

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Solution

The fourth proportional to 8,802.56, 12,148.48 and 5,615.94 is: 7,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.56 : 12,148.48 = 5,615.94 : x
  2. Step 2: Convert to fraction form
    8,802.56/12,148.48 = 5,615.94/x
  3. Step 3: Cross multiply
    8,802.56x = 12,148.48 × 5,615.94
  4. Step 4: Simplify right side
    8,802.56x = 68,225,134.77
  5. Step 5: Solve for x
    x = 68,225,134.77/8,802.56
  6. Step 6: Final answer
    x = 7,750.60

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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.