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Finding the Fourth Proportional to 30,807.32, 46,211.08 and 7,433.76

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Solution

The fourth proportional to 30,807.32, 46,211.08 and 7,433.76 is: 11,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807.32 : 46,211.08 = 7,433.76 : x
  2. Step 2: Convert to fraction form
    30,807.32/46,211.08 = 7,433.76/x
  3. Step 3: Cross multiply
    30,807.32x = 46,211.08 × 7,433.76
  4. Step 4: Simplify right side
    30,807.32x = 343,522,078.06
  5. Step 5: Solve for x
    x = 343,522,078.06/30,807.32
  6. Step 6: Final answer
    x = 11,150.66

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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.