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Finding the Fourth Proportional to 16,974.63, 23,424.63 and 9,420.52

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Solution

The fourth proportional to 16,974.63, 23,424.63 and 9,420.52 is: 13,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.63 : 23,424.63 = 9,420.52 : x
  2. Step 2: Convert to fraction form
    16,974.63/23,424.63 = 9,420.52/x
  3. Step 3: Cross multiply
    16,974.63x = 23,424.63 × 9,420.52
  4. Step 4: Simplify right side
    16,974.63x = 220,672,154.51
  5. Step 5: Solve for x
    x = 220,672,154.51/16,974.63
  6. Step 6: Final answer
    x = 13,000.12

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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.