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Finding the Fourth Proportional to 30,992.76, 46,490.88 and 8,804.40

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Solution

The fourth proportional to 30,992.76, 46,490.88 and 8,804.40 is: 13,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.76 : 46,490.88 = 8,804.40 : x
  2. Step 2: Convert to fraction form
    30,992.76/46,490.88 = 8,804.40/x
  3. Step 3: Cross multiply
    30,992.76x = 46,490.88 × 8,804.40
  4. Step 4: Simplify right side
    30,992.76x = 409,324,303.87
  5. Step 5: Solve for x
    x = 409,324,303.87/30,992.76
  6. Step 6: Final answer
    x = 13,207.09

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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.