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Finding the Fourth Proportional to 69,089.72, 103,619.06 and 26,970.84

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Solution

The fourth proportional to 69,089.72, 103,619.06 and 26,970.84 is: 40,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.72 : 103,619.06 = 26,970.84 : x
  2. Step 2: Convert to fraction form
    69,089.72/103,619.06 = 26,970.84/x
  3. Step 3: Cross multiply
    69,089.72x = 103,619.06 × 26,970.84
  4. Step 4: Simplify right side
    69,089.72x = 2,794,693,088.21
  5. Step 5: Solve for x
    x = 2,794,693,088.21/69,089.72
  6. Step 6: Final answer
    x = 40,450.20

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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.