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Finding the Fourth Proportional to 58,400.93, 87,615.99 and 16,847.93

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Solution

The fourth proportional to 58,400.93, 87,615.99 and 16,847.93 is: 25,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.93 : 87,615.99 = 16,847.93 : x
  2. Step 2: Convert to fraction form
    58,400.93/87,615.99 = 16,847.93/x
  3. Step 3: Cross multiply
    58,400.93x = 87,615.99 × 16,847.93
  4. Step 4: Simplify right side
    58,400.93x = 1,476,148,066.40
  5. Step 5: Solve for x
    x = 1,476,148,066.40/58,400.93
  6. Step 6: Final answer
    x = 25,276.11

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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.