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Finding the Fourth Proportional to 54,229.52, 74,835.80 and 30,030.00

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Solution

The fourth proportional to 54,229.52, 74,835.80 and 30,030.00 is: 41,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229.52 : 74,835.80 = 30,030.00 : x
  2. Step 2: Convert to fraction form
    54,229.52/74,835.80 = 30,030.00/x
  3. Step 3: Cross multiply
    54,229.52x = 74,835.80 × 30,030.00
  4. Step 4: Simplify right side
    54,229.52x = 2,247,319,068.93
  5. Step 5: Solve for x
    x = 2,247,319,068.93/54,229.52
  6. Step 6: Final answer
    x = 41,440.88

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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.