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Finding the Fourth Proportional to 16,802.63, 23,187.65 and 9,350.63

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Solution

The fourth proportional to 16,802.63, 23,187.65 and 9,350.63 is: 12,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.63 : 23,187.65 = 9,350.63 : x
  2. Step 2: Convert to fraction form
    16,802.63/23,187.65 = 9,350.63/x
  3. Step 3: Cross multiply
    16,802.63x = 23,187.65 × 9,350.63
  4. Step 4: Simplify right side
    16,802.63x = 216,819,135.72
  5. Step 5: Solve for x
    x = 216,819,135.72/16,802.63
  6. Step 6: Final answer
    x = 12,903.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.