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Finding the Fourth Proportional to 30,434.54, 45,653.87 and 9,373.28

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Solution

The fourth proportional to 30,434.54, 45,653.87 and 9,373.28 is: 14,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.54 : 45,653.87 = 9,373.28 : x
  2. Step 2: Convert to fraction form
    30,434.54/45,653.87 = 9,373.28/x
  3. Step 3: Cross multiply
    30,434.54x = 45,653.87 × 9,373.28
  4. Step 4: Simplify right side
    30,434.54x = 427,926,231.46
  5. Step 5: Solve for x
    x = 427,926,231.46/30,434.54
  6. Step 6: Final answer
    x = 14,060.55

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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.