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Finding the Fourth Proportional to 58,090, 87,136.08 and 16,538.08

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Solution

The fourth proportional to 58,090, 87,136.08 and 16,538.08 is: 24,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,090 : 87,136.08 = 16,538.08 : x
  2. Step 2: Convert to fraction form
    58,090/87,136.08 = 16,538.08/x
  3. Step 3: Cross multiply
    58,090x = 87,136.08 × 16,538.08
  4. Step 4: Simplify right side
    58,090x = 1,441,063,461.93
  5. Step 5: Solve for x
    x = 1,441,063,461.93/58,090
  6. Step 6: Final answer
    x = 24,807.43

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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.