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Finding the Fourth Proportional to 69,307.18, 95,643.84 and 37,476

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Solution

The fourth proportional to 69,307.18, 95,643.84 and 37,476 is: 51,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.18 : 95,643.84 = 37,476 : x
  2. Step 2: Convert to fraction form
    69,307.18/95,643.84 = 37,476/x
  3. Step 3: Cross multiply
    69,307.18x = 95,643.84 × 37,476
  4. Step 4: Simplify right side
    69,307.18x = 3,584,348,477.57
  5. Step 5: Solve for x
    x = 3,584,348,477.57/69,307.18
  6. Step 6: Final answer
    x = 51,716.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.