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Finding the Fourth Proportional to 30,382.43, 45,573.39 and 10,656.41

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Solution

The fourth proportional to 30,382.43, 45,573.39 and 10,656.41 is: 15,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.43 : 45,573.39 = 10,656.41 : x
  2. Step 2: Convert to fraction form
    30,382.43/45,573.39 = 10,656.41/x
  3. Step 3: Cross multiply
    30,382.43x = 45,573.39 × 10,656.41
  4. Step 4: Simplify right side
    30,382.43x = 485,648,501.06
  5. Step 5: Solve for x
    x = 485,648,501.06/30,382.43
  6. Step 6: Final answer
    x = 15,984.52

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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.