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Finding the Fourth Proportional to 69,291.88, 95,622.59 and 39,076.99

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Solution

The fourth proportional to 69,291.88, 95,622.59 and 39,076.99 is: 53,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,291.88 : 95,622.59 = 39,076.99 : x
  2. Step 2: Convert to fraction form
    69,291.88/95,622.59 = 39,076.99/x
  3. Step 3: Cross multiply
    69,291.88x = 95,622.59 × 39,076.99
  4. Step 4: Simplify right side
    69,291.88x = 3,736,642,851.84
  5. Step 5: Solve for x
    x = 3,736,642,851.84/69,291.88
  6. Step 6: Final answer
    x = 53,926.13

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1.5x scale

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.