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Finding the Fourth Proportional to 30,996.92, 46,499.76 and 9,932.03

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Solution

The fourth proportional to 30,996.92, 46,499.76 and 9,932.03 is: 14,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.92 : 46,499.76 = 9,932.03 : x
  2. Step 2: Convert to fraction form
    30,996.92/46,499.76 = 9,932.03/x
  3. Step 3: Cross multiply
    30,996.92x = 46,499.76 × 9,932.03
  4. Step 4: Simplify right side
    30,996.92x = 461,837,090.32
  5. Step 5: Solve for x
    x = 461,837,090.32/30,996.92
  6. Step 6: Final answer
    x = 14,899.45

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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.