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Finding the Fourth Proportional to 9,842,817.20, 14,751,784.20 and 4,783,233.20

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Solution

The fourth proportional to 9,842,817.20, 14,751,784.20 and 4,783,233.20 is: 7,168,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842,817.20 : 14,751,784.20 = 4,783,233.20 : x
  2. Step 2: Convert to fraction form
    9,842,817.20/14,751,784.20 = 4,783,233.20/x
  3. Step 3: Cross multiply
    9,842,817.20x = 14,751,784.20 × 4,783,233.20
  4. Step 4: Simplify right side
    9,842,817.20x = 70,561,223,944,675.44
  5. Step 5: Solve for x
    x = 70,561,223,944,675.44/9,842,817.20
  6. Step 6: Final answer
    x = 7,168,803.66

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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.