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Finding the Fourth Proportional to 54,039.59, 74,575.89 and 33,897.32

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Solution

The fourth proportional to 54,039.59, 74,575.89 and 33,897.32 is: 46,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.59 : 74,575.89 = 33,897.32 : x
  2. Step 2: Convert to fraction form
    54,039.59/74,575.89 = 33,897.32/x
  3. Step 3: Cross multiply
    54,039.59x = 74,575.89 × 33,897.32
  4. Step 4: Simplify right side
    54,039.59x = 2,527,922,714.39
  5. Step 5: Solve for x
    x = 2,527,922,714.39/54,039.59
  6. Step 6: Final answer
    x = 46,779.09

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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.