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Finding the Fourth Proportional to 69,894.68, 104,779.04 and 25,490.28

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Solution

The fourth proportional to 69,894.68, 104,779.04 and 25,490.28 is: 38,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.68 : 104,779.04 = 25,490.28 : x
  2. Step 2: Convert to fraction form
    69,894.68/104,779.04 = 25,490.28/x
  3. Step 3: Cross multiply
    69,894.68x = 104,779.04 × 25,490.28
  4. Step 4: Simplify right side
    69,894.68x = 2,670,846,940.28
  5. Step 5: Solve for x
    x = 2,670,846,940.28/69,894.68
  6. Step 6: Final answer
    x = 38,212.45

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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.