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Finding the Fourth Proportional to 1,516.53, 2,090.54 and 926.67

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Solution

The fourth proportional to 1,516.53, 2,090.54 and 926.67 is: 1,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.53 : 2,090.54 = 926.67 : x
  2. Step 2: Convert to fraction form
    1,516.53/2,090.54 = 926.67/x
  3. Step 3: Cross multiply
    1,516.53x = 2,090.54 × 926.67
  4. Step 4: Simplify right side
    1,516.53x = 1,937,243.02
  5. Step 5: Solve for x
    x = 1,937,243.02/1,516.53
  6. Step 6: Final answer
    x = 1,277.42

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1.5x scale

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.