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Finding the Fourth Proportional to 1,413.04, 1,950.96 and 882.73

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Solution

The fourth proportional to 1,413.04, 1,950.96 and 882.73 is: 1,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.04 : 1,950.96 = 882.73 : x
  2. Step 2: Convert to fraction form
    1,413.04/1,950.96 = 882.73/x
  3. Step 3: Cross multiply
    1,413.04x = 1,950.96 × 882.73
  4. Step 4: Simplify right side
    1,413.04x = 1,722,162.23
  5. Step 5: Solve for x
    x = 1,722,162.23/1,413.04
  6. Step 6: Final answer
    x = 1,218.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.