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Finding the Fourth Proportional to 54,719.04, 75,574.56 and 36,782.94

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Solution

The fourth proportional to 54,719.04, 75,574.56 and 36,782.94 is: 50,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,719.04 : 75,574.56 = 36,782.94 : x
  2. Step 2: Convert to fraction form
    54,719.04/75,574.56 = 36,782.94/x
  3. Step 3: Cross multiply
    54,719.04x = 75,574.56 × 36,782.94
  4. Step 4: Simplify right side
    54,719.04x = 2,779,854,506.01
  5. Step 5: Solve for x
    x = 2,779,854,506.01/54,719.04
  6. Step 6: Final answer
    x = 50,802.33

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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.