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Finding the Fourth Proportional to 9,841,990.80, 14,762,986.20 and 9,464,077.20

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Solution

The fourth proportional to 9,841,990.80, 14,762,986.20 and 9,464,077.20 is: 14,196,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841,990.80 : 14,762,986.20 = 9,464,077.20 : x
  2. Step 2: Convert to fraction form
    9,841,990.80/14,762,986.20 = 9,464,077.20/x
  3. Step 3: Cross multiply
    9,841,990.80x = 14,762,986.20 × 9,464,077.20
  4. Step 4: Simplify right side
    9,841,990.80x = 139,718,041,099,334.62
  5. Step 5: Solve for x
    x = 139,718,041,099,334.62/9,841,990.80
  6. Step 6: Final answer
    x = 14,196,115.80

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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.