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Finding the Fourth Proportional to 2,773.96, 4,160.08 and 924.64

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Solution

The fourth proportional to 2,773.96, 4,160.08 and 924.64 is: 1,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.96 : 4,160.08 = 924.64 : x
  2. Step 2: Convert to fraction form
    2,773.96/4,160.08 = 924.64/x
  3. Step 3: Cross multiply
    2,773.96x = 4,160.08 × 924.64
  4. Step 4: Simplify right side
    2,773.96x = 3,846,576.37
  5. Step 5: Solve for x
    x = 3,846,576.37/2,773.96
  6. Step 6: Final answer
    x = 1,386.67

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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.