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Finding the Fourth Proportional to 64,362.40, 96,543.60 and 22,813.60

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Solution

The fourth proportional to 64,362.40, 96,543.60 and 22,813.60 is: 34,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,362.40 : 96,543.60 = 22,813.60 : x
  2. Step 2: Convert to fraction form
    64,362.40/96,543.60 = 22,813.60/x
  3. Step 3: Cross multiply
    64,362.40x = 96,543.60 × 22,813.60
  4. Step 4: Simplify right side
    64,362.40x = 2,202,507,072.96
  5. Step 5: Solve for x
    x = 2,202,507,072.96/64,362.40
  6. Step 6: Final answer
    x = 34,220.40

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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.