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Finding the Fourth Proportional to 10,495.42, 14,484.71 and 7,838.22

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Solution

The fourth proportional to 10,495.42, 14,484.71 and 7,838.22 is: 10,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.42 : 14,484.71 = 7,838.22 : x
  2. Step 2: Convert to fraction form
    10,495.42/14,484.71 = 7,838.22/x
  3. Step 3: Cross multiply
    10,495.42x = 14,484.71 × 7,838.22
  4. Step 4: Simplify right side
    10,495.42x = 113,534,291.96
  5. Step 5: Solve for x
    x = 113,534,291.96/10,495.42
  6. Step 6: Final answer
    x = 10,817.50

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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.