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Finding the Fourth Proportional to 64,852.80, 97,307.79 and 27,438.69

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Solution

The fourth proportional to 64,852.80, 97,307.79 and 27,438.69 is: 41,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.80 : 97,307.79 = 27,438.69 : x
  2. Step 2: Convert to fraction form
    64,852.80/97,307.79 = 27,438.69/x
  3. Step 3: Cross multiply
    64,852.80x = 97,307.79 × 27,438.69
  4. Step 4: Simplify right side
    64,852.80x = 2,669,998,284.40
  5. Step 5: Solve for x
    x = 2,669,998,284.40/64,852.80
  6. Step 6: Final answer
    x = 41,170.13

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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.