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Finding the Fourth Proportional to 9,774,400.80, 14,670,932.40 and 4,987,495.20

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Solution

The fourth proportional to 9,774,400.80, 14,670,932.40 and 4,987,495.20 is: 7,486,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774,400.80 : 14,670,932.40 = 4,987,495.20 : x
  2. Step 2: Convert to fraction form
    9,774,400.80/14,670,932.40 = 4,987,495.20/x
  3. Step 3: Cross multiply
    9,774,400.80x = 14,670,932.40 × 4,987,495.20
  4. Step 4: Simplify right side
    9,774,400.80x = 73,171,204,924,524.48
  5. Step 5: Solve for x
    x = 73,171,204,924,524.48/9,774,400.80
  6. Step 6: Final answer
    x = 7,486,004.15

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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.