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Finding the Fourth Proportional to 54,673.58, 75,449.81 and 30,800.63

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Solution

The fourth proportional to 54,673.58, 75,449.81 and 30,800.63 is: 42,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.58 : 75,449.81 = 30,800.63 : x
  2. Step 2: Convert to fraction form
    54,673.58/75,449.81 = 30,800.63/x
  3. Step 3: Cross multiply
    54,673.58x = 75,449.81 × 30,800.63
  4. Step 4: Simplify right side
    54,673.58x = 2,323,901,681.38
  5. Step 5: Solve for x
    x = 2,323,901,681.38/54,673.58
  6. Step 6: Final answer
    x = 42,505.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.