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Finding the Fourth Proportional to 58,412.63, 87,633.53 and 16,859.63

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Solution

The fourth proportional to 58,412.63, 87,633.53 and 16,859.63 is: 25,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.63 : 87,633.53 = 16,859.63 : x
  2. Step 2: Convert to fraction form
    58,412.63/87,633.53 = 16,859.63/x
  3. Step 3: Cross multiply
    58,412.63x = 87,633.53 × 16,859.63
  4. Step 4: Simplify right side
    58,412.63x = 1,477,468,368.93
  5. Step 5: Solve for x
    x = 1,477,468,368.93/58,412.63
  6. Step 6: Final answer
    x = 25,293.65

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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.