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Finding the Fourth Proportional to 44,670,573.18, 66,986,816.45 and 16,999,768.91

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Solution

The fourth proportional to 44,670,573.18, 66,986,816.45 and 16,999,768.91 is: 25,492,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,670,573.18 : 66,986,816.45 = 16,999,768.91 : x
  2. Step 2: Convert to fraction form
    44,670,573.18/66,986,816.45 = 16,999,768.91/x
  3. Step 3: Cross multiply
    44,670,573.18x = 66,986,816.45 × 16,999,768.91
  4. Step 4: Simplify right side
    44,670,573.18x = 1,138,760,399,246,653.75
  5. Step 5: Solve for x
    x = 1,138,760,399,246,653.75/44,670,573.18
  6. Step 6: Final answer
    x = 25,492,406.26

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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.