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Finding the Fourth Proportional to 70,903.54, 106,396.65 and 26,561.44

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Solution

The fourth proportional to 70,903.54, 106,396.65 and 26,561.44 is: 39,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,903.54 : 106,396.65 = 26,561.44 : x
  2. Step 2: Convert to fraction form
    70,903.54/106,396.65 = 26,561.44/x
  3. Step 3: Cross multiply
    70,903.54x = 106,396.65 × 26,561.44
  4. Step 4: Simplify right side
    70,903.54x = 2,826,048,235.18
  5. Step 5: Solve for x
    x = 2,826,048,235.18/70,903.54
  6. Step 6: Final answer
    x = 39,857.65

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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.