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Finding the Fourth Proportional to 1,052, 1,452.06 and 632.49

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Solution

The fourth proportional to 1,052, 1,452.06 and 632.49 is: 873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052 : 1,452.06 = 632.49 : x
  2. Step 2: Convert to fraction form
    1,052/1,452.06 = 632.49/x
  3. Step 3: Cross multiply
    1,052x = 1,452.06 × 632.49
  4. Step 4: Simplify right side
    1,052x = 918,413.43
  5. Step 5: Solve for x
    x = 918,413.43/1,052
  6. Step 6: Final answer
    x = 873.02

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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.