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Finding the Fourth Proportional to 30,349.42, 45,530.89 and 9,292.41

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Solution

The fourth proportional to 30,349.42, 45,530.89 and 9,292.41 is: 13,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.42 : 45,530.89 = 9,292.41 : x
  2. Step 2: Convert to fraction form
    30,349.42/45,530.89 = 9,292.41/x
  3. Step 3: Cross multiply
    30,349.42x = 45,530.89 × 9,292.41
  4. Step 4: Simplify right side
    30,349.42x = 423,091,697.54
  5. Step 5: Solve for x
    x = 423,091,697.54/30,349.42
  6. Step 6: Final answer
    x = 13,940.68

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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.