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Finding the Fourth Proportional to 54,632.64, 75,302.40 and 38,696.64

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Solution

The fourth proportional to 54,632.64, 75,302.40 and 38,696.64 is: 53,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,632.64 : 75,302.40 = 38,696.64 : x
  2. Step 2: Convert to fraction form
    54,632.64/75,302.40 = 38,696.64/x
  3. Step 3: Cross multiply
    54,632.64x = 75,302.40 × 38,696.64
  4. Step 4: Simplify right side
    54,632.64x = 2,913,949,863.94
  5. Step 5: Solve for x
    x = 2,913,949,863.94/54,632.64
  6. Step 6: Final answer
    x = 53,337.16

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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.