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Finding the Fourth Proportional to 49,386, 68,153.16 and 27,030.48

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Solution

The fourth proportional to 49,386, 68,153.16 and 27,030.48 is: 37,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,386 : 68,153.16 = 27,030.48 : x
  2. Step 2: Convert to fraction form
    49,386/68,153.16 = 27,030.48/x
  3. Step 3: Cross multiply
    49,386x = 68,153.16 × 27,030.48
  4. Step 4: Simplify right side
    49,386x = 1,842,212,628.32
  5. Step 5: Solve for x
    x = 1,842,212,628.32/49,386
  6. Step 6: Final answer
    x = 37,302.33

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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.