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Finding the Fourth Proportional to 30,315.48, 45,471.60 and 10,593.60

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Solution

The fourth proportional to 30,315.48, 45,471.60 and 10,593.60 is: 15,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.48 : 45,471.60 = 10,593.60 : x
  2. Step 2: Convert to fraction form
    30,315.48/45,471.60 = 10,593.60/x
  3. Step 3: Cross multiply
    30,315.48x = 45,471.60 × 10,593.60
  4. Step 4: Simplify right side
    30,315.48x = 481,707,941.76
  5. Step 5: Solve for x
    x = 481,707,941.76/30,315.48
  6. Step 6: Final answer
    x = 15,889.83

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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.