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Finding the Fourth Proportional to 2,275.80, 3,413.52 and 632.24

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Solution

The fourth proportional to 2,275.80, 3,413.52 and 632.24 is: 948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.80 : 3,413.52 = 632.24 : x
  2. Step 2: Convert to fraction form
    2,275.80/3,413.52 = 632.24/x
  3. Step 3: Cross multiply
    2,275.80x = 3,413.52 × 632.24
  4. Step 4: Simplify right side
    2,275.80x = 2,158,163.88
  5. Step 5: Solve for x
    x = 2,158,163.88/2,275.80
  6. Step 6: Final answer
    x = 948.31

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1.5x scale

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.