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Finding the Fourth Proportional to 7,305.60, 10,938.24 and 4,702.08

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Solution

The fourth proportional to 7,305.60, 10,938.24 and 4,702.08 is: 7,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.60 : 10,938.24 = 4,702.08 : x
  2. Step 2: Convert to fraction form
    7,305.60/10,938.24 = 4,702.08/x
  3. Step 3: Cross multiply
    7,305.60x = 10,938.24 × 4,702.08
  4. Step 4: Simplify right side
    7,305.60x = 51,432,479.54
  5. Step 5: Solve for x
    x = 51,432,479.54/7,305.60
  6. Step 6: Final answer
    x = 7,040.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.