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Finding the Fourth Proportional to 30,318.56, 45,477.92 and 10,597.12

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Solution

The fourth proportional to 30,318.56, 45,477.92 and 10,597.12 is: 15,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.56 : 45,477.92 = 10,597.12 : x
  2. Step 2: Convert to fraction form
    30,318.56/45,477.92 = 10,597.12/x
  3. Step 3: Cross multiply
    30,318.56x = 45,477.92 × 10,597.12
  4. Step 4: Simplify right side
    30,318.56x = 481,934,975.59
  5. Step 5: Solve for x
    x = 481,934,975.59/30,318.56
  6. Step 6: Final answer
    x = 15,895.71

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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.