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Finding the Fourth Proportional to 69,677.74, 96,089.79 and 53,736.94

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Solution

The fourth proportional to 69,677.74, 96,089.79 and 53,736.94 is: 74,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,677.74 : 96,089.79 = 53,736.94 : x
  2. Step 2: Convert to fraction form
    69,677.74/96,089.79 = 53,736.94/x
  3. Step 3: Cross multiply
    69,677.74x = 96,089.79 × 53,736.94
  4. Step 4: Simplify right side
    69,677.74x = 5,163,571,279.84
  5. Step 5: Solve for x
    x = 5,163,571,279.84/69,677.74
  6. Step 6: Final answer
    x = 74,106.47

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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.