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Finding the Fourth Proportional to 3,459.51, 4,774.41 and 1,967.76

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Solution

The fourth proportional to 3,459.51, 4,774.41 and 1,967.76 is: 2,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.51 : 4,774.41 = 1,967.76 : x
  2. Step 2: Convert to fraction form
    3,459.51/4,774.41 = 1,967.76/x
  3. Step 3: Cross multiply
    3,459.51x = 4,774.41 × 1,967.76
  4. Step 4: Simplify right side
    3,459.51x = 9,394,893.02
  5. Step 5: Solve for x
    x = 9,394,893.02/3,459.51
  6. Step 6: Final answer
    x = 2,715.67

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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.