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Finding the Fourth Proportional to 3,133.47, 4,700.88 and 942.03

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Solution

The fourth proportional to 3,133.47, 4,700.88 and 942.03 is: 1,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.47 : 4,700.88 = 942.03 : x
  2. Step 2: Convert to fraction form
    3,133.47/4,700.88 = 942.03/x
  3. Step 3: Cross multiply
    3,133.47x = 4,700.88 × 942.03
  4. Step 4: Simplify right side
    3,133.47x = 4,428,369.99
  5. Step 5: Solve for x
    x = 4,428,369.99/3,133.47
  6. Step 6: Final answer
    x = 1,413.25

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Why These Related Problems?

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