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Finding the Fourth Proportional to 2,403.58, 3,605.88 and 922.81

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Solution

The fourth proportional to 2,403.58, 3,605.88 and 922.81 is: 1,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.58 : 3,605.88 = 922.81 : x
  2. Step 2: Convert to fraction form
    2,403.58/3,605.88 = 922.81/x
  3. Step 3: Cross multiply
    2,403.58x = 3,605.88 × 922.81
  4. Step 4: Simplify right side
    2,403.58x = 3,327,542.12
  5. Step 5: Solve for x
    x = 3,327,542.12/2,403.58
  6. Step 6: Final answer
    x = 1,384.41

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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.