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Finding the Fourth Proportional to 54,478.85, 75,007.01 and 46,489.01

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Solution

The fourth proportional to 54,478.85, 75,007.01 and 46,489.01 is: 64,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.85 : 75,007.01 = 46,489.01 : x
  2. Step 2: Convert to fraction form
    54,478.85/75,007.01 = 46,489.01/x
  3. Step 3: Cross multiply
    54,478.85x = 75,007.01 × 46,489.01
  4. Step 4: Simplify right side
    54,478.85x = 3,487,001,379.15
  5. Step 5: Solve for x
    x = 3,487,001,379.15/54,478.85
  6. Step 6: Final answer
    x = 64,006.52

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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.