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Finding the Fourth Proportional to 9,012.60, 13,521.60 and 3,466.44

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Solution

The fourth proportional to 9,012.60, 13,521.60 and 3,466.44 is: 5,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.60 : 13,521.60 = 3,466.44 : x
  2. Step 2: Convert to fraction form
    9,012.60/13,521.60 = 3,466.44/x
  3. Step 3: Cross multiply
    9,012.60x = 13,521.60 × 3,466.44
  4. Step 4: Simplify right side
    9,012.60x = 46,871,815.10
  5. Step 5: Solve for x
    x = 46,871,815.10/9,012.60
  6. Step 6: Final answer
    x = 5,200.70

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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.