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Finding the Fourth Proportional to 30,998.94, 46,501.47 and 9,933.68

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Solution

The fourth proportional to 30,998.94, 46,501.47 and 9,933.68 is: 14,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998.94 : 46,501.47 = 9,933.68 : x
  2. Step 2: Convert to fraction form
    30,998.94/46,501.47 = 9,933.68/x
  3. Step 3: Cross multiply
    30,998.94x = 46,501.47 × 9,933.68
  4. Step 4: Simplify right side
    30,998.94x = 461,930,490.00
  5. Step 5: Solve for x
    x = 461,930,490.00/30,998.94
  6. Step 6: Final answer
    x = 14,901.49

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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.