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Finding the Fourth Proportional to 64,097.84, 96,161.04 and 19,728.56

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Solution

The fourth proportional to 64,097.84, 96,161.04 and 19,728.56 is: 29,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,097.84 : 96,161.04 = 19,728.56 : x
  2. Step 2: Convert to fraction form
    64,097.84/96,161.04 = 19,728.56/x
  3. Step 3: Cross multiply
    64,097.84x = 96,161.04 × 19,728.56
  4. Step 4: Simplify right side
    64,097.84x = 1,897,118,847.30
  5. Step 5: Solve for x
    x = 1,897,118,847.30/64,097.84
  6. Step 6: Final answer
    x = 29,597.24

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1.5x scale

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.