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Finding the Fourth Proportional to 54,963.36, 75,848.76 and 29,812.68

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Solution

The fourth proportional to 54,963.36, 75,848.76 and 29,812.68 is: 41,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,963.36 : 75,848.76 = 29,812.68 : x
  2. Step 2: Convert to fraction form
    54,963.36/75,848.76 = 29,812.68/x
  3. Step 3: Cross multiply
    54,963.36x = 75,848.76 × 29,812.68
  4. Step 4: Simplify right side
    54,963.36x = 2,261,254,810.28
  5. Step 5: Solve for x
    x = 2,261,254,810.28/54,963.36
  6. Step 6: Final answer
    x = 41,141.13

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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.