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Finding the Fourth Proportional to 9,798,436.40, 14,697,654.60 and 8,734,679.60

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Solution

The fourth proportional to 9,798,436.40, 14,697,654.60 and 8,734,679.60 is: 13,102,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798,436.40 : 14,697,654.60 = 8,734,679.60 : x
  2. Step 2: Convert to fraction form
    9,798,436.40/14,697,654.60 = 8,734,679.60/x
  3. Step 3: Cross multiply
    9,798,436.40x = 14,697,654.60 × 8,734,679.60
  4. Step 4: Simplify right side
    9,798,436.40x = 128,379,303,802,466.16
  5. Step 5: Solve for x
    x = 128,379,303,802,466.16/9,798,436.40
  6. Step 6: Final answer
    x = 13,102,019.40

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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.