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Finding the Fourth Proportional to 58,206.42, 87,309.54 and 16,653.42

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Solution

The fourth proportional to 58,206.42, 87,309.54 and 16,653.42 is: 24,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,206.42 : 87,309.54 = 16,653.42 : x
  2. Step 2: Convert to fraction form
    58,206.42/87,309.54 = 16,653.42/x
  3. Step 3: Cross multiply
    58,206.42x = 87,309.54 × 16,653.42
  4. Step 4: Simplify right side
    58,206.42x = 1,454,002,439.63
  5. Step 5: Solve for x
    x = 1,454,002,439.63/58,206.42
  6. Step 6: Final answer
    x = 24,980.10

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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.