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Finding the Fourth Proportional to 54,802.54, 75,679.74 and 51,817.24

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Solution

The fourth proportional to 54,802.54, 75,679.74 and 51,817.24 is: 71,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,802.54 : 75,679.74 = 51,817.24 : x
  2. Step 2: Convert to fraction form
    54,802.54/75,679.74 = 51,817.24/x
  3. Step 3: Cross multiply
    54,802.54x = 75,679.74 × 51,817.24
  4. Step 4: Simplify right side
    54,802.54x = 3,921,515,250.72
  5. Step 5: Solve for x
    x = 3,921,515,250.72/54,802.54
  6. Step 6: Final answer
    x = 71,557.18

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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.