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Finding the Fourth Proportional to 48,604.90, 72,904.91 and 19,028.16

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Solution

The fourth proportional to 48,604.90, 72,904.91 and 19,028.16 is: 28,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604.90 : 72,904.91 = 19,028.16 : x
  2. Step 2: Convert to fraction form
    48,604.90/72,904.91 = 19,028.16/x
  3. Step 3: Cross multiply
    48,604.90x = 72,904.91 × 19,028.16
  4. Step 4: Simplify right side
    48,604.90x = 1,387,245,927.74
  5. Step 5: Solve for x
    x = 1,387,245,927.74/48,604.90
  6. Step 6: Final answer
    x = 28,541.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.