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Finding the Fourth Proportional to 30,377.91, 45,568.25 and 9,316.41

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Solution

The fourth proportional to 30,377.91, 45,568.25 and 9,316.41 is: 13,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.91 : 45,568.25 = 9,316.41 : x
  2. Step 2: Convert to fraction form
    30,377.91/45,568.25 = 9,316.41/x
  3. Step 3: Cross multiply
    30,377.91x = 45,568.25 × 9,316.41
  4. Step 4: Simplify right side
    30,377.91x = 424,532,453.40
  5. Step 5: Solve for x
    x = 424,532,453.40/30,377.91
  6. Step 6: Final answer
    x = 13,975.04

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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.