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Finding the Fourth Proportional to 58,151.45, 80,257.84 and 35,503.65

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Solution

The fourth proportional to 58,151.45, 80,257.84 and 35,503.65 is: 49,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,151.45 : 80,257.84 = 35,503.65 : x
  2. Step 2: Convert to fraction form
    58,151.45/80,257.84 = 35,503.65/x
  3. Step 3: Cross multiply
    58,151.45x = 80,257.84 × 35,503.65
  4. Step 4: Simplify right side
    58,151.45x = 2,849,446,172.36
  5. Step 5: Solve for x
    x = 2,849,446,172.36/58,151.45
  6. Step 6: Final answer
    x = 49,000.43

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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.