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Finding the Fourth Proportional to 2,222.81, 3,334.21 and 924.38

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Solution

The fourth proportional to 2,222.81, 3,334.21 and 924.38 is: 1,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.81 : 3,334.21 = 924.38 : x
  2. Step 2: Convert to fraction form
    2,222.81/3,334.21 = 924.38/x
  3. Step 3: Cross multiply
    2,222.81x = 3,334.21 × 924.38
  4. Step 4: Simplify right side
    2,222.81x = 3,082,075.76
  5. Step 5: Solve for x
    x = 3,082,075.76/2,222.81
  6. Step 6: Final answer
    x = 1,386.57

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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.