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Finding the Fourth Proportional to 7,631.47, 10,528.71 and 6,038.37

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Solution

The fourth proportional to 7,631.47, 10,528.71 and 6,038.37 is: 8,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.47 : 10,528.71 = 6,038.37 : x
  2. Step 2: Convert to fraction form
    7,631.47/10,528.71 = 6,038.37/x
  3. Step 3: Cross multiply
    7,631.47x = 10,528.71 × 6,038.37
  4. Step 4: Simplify right side
    7,631.47x = 63,576,246.60
  5. Step 5: Solve for x
    x = 63,576,246.60/7,631.47
  6. Step 6: Final answer
    x = 8,330.80

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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.