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Finding the Fourth Proportional to 9,978,337.60, 14,967,506.40 and 3,246,751.60

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Solution

The fourth proportional to 9,978,337.60, 14,967,506.40 and 3,246,751.60 is: 4,870,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,337.60 : 14,967,506.40 = 3,246,751.60 : x
  2. Step 2: Convert to fraction form
    9,978,337.60/14,967,506.40 = 3,246,751.60/x
  3. Step 3: Cross multiply
    9,978,337.60x = 14,967,506.40 × 3,246,751.60
  4. Step 4: Simplify right side
    9,978,337.60x = 48,595,775,352,210.24
  5. Step 5: Solve for x
    x = 48,595,775,352,210.24/9,978,337.60
  6. Step 6: Final answer
    x = 4,870,127.40

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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.