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Finding the Fourth Proportional to 9,798,879.15, 14,697,368.43 and 2,975,511.45

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Solution

The fourth proportional to 9,798,879.15, 14,697,368.43 and 2,975,511.45 is: 4,462,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798,879.15 : 14,697,368.43 = 2,975,511.45 : x
  2. Step 2: Convert to fraction form
    9,798,879.15/14,697,368.43 = 2,975,511.45/x
  3. Step 3: Cross multiply
    9,798,879.15x = 14,697,368.43 × 2,975,511.45
  4. Step 4: Simplify right side
    9,798,879.15x = 43,732,187,974,846.68
  5. Step 5: Solve for x
    x = 43,732,187,974,846.68/9,798,879.15
  6. Step 6: Final answer
    x = 4,462,978.60

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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.