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Finding the Fourth Proportional to 30,653.02, 45,980.44 and 8,468.03

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Solution

The fourth proportional to 30,653.02, 45,980.44 and 8,468.03 is: 12,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.02 : 45,980.44 = 8,468.03 : x
  2. Step 2: Convert to fraction form
    30,653.02/45,980.44 = 8,468.03/x
  3. Step 3: Cross multiply
    30,653.02x = 45,980.44 × 8,468.03
  4. Step 4: Simplify right side
    30,653.02x = 389,363,745.33
  5. Step 5: Solve for x
    x = 389,363,745.33/30,653.02
  6. Step 6: Final answer
    x = 12,702.30

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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.