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Finding the Fourth Proportional to 2,483.52, 3,427.35 and 1,421.46

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Solution

The fourth proportional to 2,483.52, 3,427.35 and 1,421.46 is: 1,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.52 : 3,427.35 = 1,421.46 : x
  2. Step 2: Convert to fraction form
    2,483.52/3,427.35 = 1,421.46/x
  3. Step 3: Cross multiply
    2,483.52x = 3,427.35 × 1,421.46
  4. Step 4: Simplify right side
    2,483.52x = 4,871,840.93
  5. Step 5: Solve for x
    x = 4,871,840.93/2,483.52
  6. Step 6: Final answer
    x = 1,961.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.