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Finding the Fourth Proportional to 8,899,608.80, 13,352,912.40 and 3,507,341.60

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Solution

The fourth proportional to 8,899,608.80, 13,352,912.40 and 3,507,341.60 is: 5,262,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899,608.80 : 13,352,912.40 = 3,507,341.60 : x
  2. Step 2: Convert to fraction form
    8,899,608.80/13,352,912.40 = 3,507,341.60/x
  3. Step 3: Cross multiply
    8,899,608.80x = 13,352,912.40 × 3,507,341.60
  4. Step 4: Simplify right side
    8,899,608.80x = 46,833,225,141,675.84
  5. Step 5: Solve for x
    x = 46,833,225,141,675.84/8,899,608.80
  6. Step 6: Final answer
    x = 5,262,391.44

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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.