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Finding the Fourth Proportional to 61,601.64, 92,325.72 and 28,286.28

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Solution

The fourth proportional to 61,601.64, 92,325.72 and 28,286.28 is: 42,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.64 : 92,325.72 = 28,286.28 : x
  2. Step 2: Convert to fraction form
    61,601.64/92,325.72 = 28,286.28/x
  3. Step 3: Cross multiply
    61,601.64x = 92,325.72 × 28,286.28
  4. Step 4: Simplify right side
    61,601.64x = 2,611,551,167.12
  5. Step 5: Solve for x
    x = 2,611,551,167.12/61,601.64
  6. Step 6: Final answer
    x = 42,394.18

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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.