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Finding the Fourth Proportional to 30,773.01, 46,143 and 15,945.15

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Solution

The fourth proportional to 30,773.01, 46,143 and 15,945.15 is: 23,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.01 : 46,143 = 15,945.15 : x
  2. Step 2: Convert to fraction form
    30,773.01/46,143 = 15,945.15/x
  3. Step 3: Cross multiply
    30,773.01x = 46,143 × 15,945.15
  4. Step 4: Simplify right side
    30,773.01x = 735,757,056.45
  5. Step 5: Solve for x
    x = 735,757,056.45/30,773.01
  6. Step 6: Final answer
    x = 23,909.17

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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.