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Finding the Fourth Proportional to 35,491.64, 48,977.88 and 19,577.57

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Solution

The fourth proportional to 35,491.64, 48,977.88 and 19,577.57 is: 27,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.64 : 48,977.88 = 19,577.57 : x
  2. Step 2: Convert to fraction form
    35,491.64/48,977.88 = 19,577.57/x
  3. Step 3: Cross multiply
    35,491.64x = 48,977.88 × 19,577.57
  4. Step 4: Simplify right side
    35,491.64x = 958,867,874.15
  5. Step 5: Solve for x
    x = 958,867,874.15/35,491.64
  6. Step 6: Final answer
    x = 27,016.72

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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.