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Finding the Fourth Proportional to 7,454.55, 10,287.47 and 4,097.46

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Solution

The fourth proportional to 7,454.55, 10,287.47 and 4,097.46 is: 5,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.55 : 10,287.47 = 4,097.46 : x
  2. Step 2: Convert to fraction form
    7,454.55/10,287.47 = 4,097.46/x
  3. Step 3: Cross multiply
    7,454.55x = 10,287.47 × 4,097.46
  4. Step 4: Simplify right side
    7,454.55x = 42,152,496.83
  5. Step 5: Solve for x
    x = 42,152,496.83/7,454.55
  6. Step 6: Final answer
    x = 5,654.60

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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.