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Finding the Fourth Proportional to 9,968,019.10, 14,952,028.65 and 5,433,055.90

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Solution

The fourth proportional to 9,968,019.10, 14,952,028.65 and 5,433,055.90 is: 8,149,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,019.10 : 14,952,028.65 = 5,433,055.90 : x
  2. Step 2: Convert to fraction form
    9,968,019.10/14,952,028.65 = 5,433,055.90/x
  3. Step 3: Cross multiply
    9,968,019.10x = 14,952,028.65 × 5,433,055.90
  4. Step 4: Simplify right side
    9,968,019.10x = 81,235,207,473,851.55
  5. Step 5: Solve for x
    x = 81,235,207,473,851.55/9,968,019.10
  6. Step 6: Final answer
    x = 8,149,583.85

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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.