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Finding the Fourth Proportional to 16,762.68, 25,147.80 and 5,670

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Solution

The fourth proportional to 16,762.68, 25,147.80 and 5,670 is: 8,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.68 : 25,147.80 = 5,670 : x
  2. Step 2: Convert to fraction form
    16,762.68/25,147.80 = 5,670/x
  3. Step 3: Cross multiply
    16,762.68x = 25,147.80 × 5,670
  4. Step 4: Simplify right side
    16,762.68x = 142,588,026
  5. Step 5: Solve for x
    x = 142,588,026/16,762.68
  6. Step 6: Final answer
    x = 8,506.28

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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.