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Finding the Fourth Proportional to 30,552.69, 45,836.18 and 9,491.66

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Solution

The fourth proportional to 30,552.69, 45,836.18 and 9,491.66 is: 14,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.69 : 45,836.18 = 9,491.66 : x
  2. Step 2: Convert to fraction form
    30,552.69/45,836.18 = 9,491.66/x
  3. Step 3: Cross multiply
    30,552.69x = 45,836.18 × 9,491.66
  4. Step 4: Simplify right side
    30,552.69x = 435,061,159.62
  5. Step 5: Solve for x
    x = 435,061,159.62/30,552.69
  6. Step 6: Final answer
    x = 14,239.70

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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.