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Finding the Fourth Proportional to 30,593.99, 45,881.25 and 9,812.63

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Solution

The fourth proportional to 30,593.99, 45,881.25 and 9,812.63 is: 14,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.99 : 45,881.25 = 9,812.63 : x
  2. Step 2: Convert to fraction form
    30,593.99/45,881.25 = 9,812.63/x
  3. Step 3: Cross multiply
    30,593.99x = 45,881.25 × 9,812.63
  4. Step 4: Simplify right side
    30,593.99x = 450,215,500.78
  5. Step 5: Solve for x
    x = 450,215,500.78/30,593.99
  6. Step 6: Final answer
    x = 14,715.82

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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.