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Finding the Fourth Proportional to 64,307.40, 96,493.90 and 29,242.48

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Solution

The fourth proportional to 64,307.40, 96,493.90 and 29,242.48 is: 43,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.40 : 96,493.90 = 29,242.48 : x
  2. Step 2: Convert to fraction form
    64,307.40/96,493.90 = 29,242.48/x
  3. Step 3: Cross multiply
    64,307.40x = 96,493.90 × 29,242.48
  4. Step 4: Simplify right side
    64,307.40x = 2,821,720,940.87
  5. Step 5: Solve for x
    x = 2,821,720,940.87/64,307.40
  6. Step 6: Final answer
    x = 43,878.64

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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.