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Finding the Fourth Proportional to 69,703.53, 104,554.83 and 19,783.66

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Solution

The fourth proportional to 69,703.53, 104,554.83 and 19,783.66 is: 29,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,703.53 : 104,554.83 = 19,783.66 : x
  2. Step 2: Convert to fraction form
    69,703.53/104,554.83 = 19,783.66/x
  3. Step 3: Cross multiply
    69,703.53x = 104,554.83 × 19,783.66
  4. Step 4: Simplify right side
    69,703.53x = 2,068,476,685.30
  5. Step 5: Solve for x
    x = 2,068,476,685.30/69,703.53
  6. Step 6: Final answer
    x = 29,675.35

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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.