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Finding the Fourth Proportional to 58,143.30, 80,246.49 and 35,495.45

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Solution

The fourth proportional to 58,143.30, 80,246.49 and 35,495.45 is: 48,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,143.30 : 80,246.49 = 35,495.45 : x
  2. Step 2: Convert to fraction form
    58,143.30/80,246.49 = 35,495.45/x
  3. Step 3: Cross multiply
    58,143.30x = 80,246.49 × 35,495.45
  4. Step 4: Simplify right side
    58,143.30x = 2,848,384,872.24
  5. Step 5: Solve for x
    x = 2,848,384,872.24/58,143.30
  6. Step 6: Final answer
    x = 48,989.05

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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.