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Finding the Fourth Proportional to 2,592.41, 3,888.81 and 926.64

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Solution

The fourth proportional to 2,592.41, 3,888.81 and 926.64 is: 1,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.41 : 3,888.81 = 926.64 : x
  2. Step 2: Convert to fraction form
    2,592.41/3,888.81 = 926.64/x
  3. Step 3: Cross multiply
    2,592.41x = 3,888.81 × 926.64
  4. Step 4: Simplify right side
    2,592.41x = 3,603,526.90
  5. Step 5: Solve for x
    x = 3,603,526.90/2,592.41
  6. Step 6: Final answer
    x = 1,390.03

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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.