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Finding the Fourth Proportional to 16,929.17, 23,362.32 and 9,375.34

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Solution

The fourth proportional to 16,929.17, 23,362.32 and 9,375.34 is: 12,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.17 : 23,362.32 = 9,375.34 : x
  2. Step 2: Convert to fraction form
    16,929.17/23,362.32 = 9,375.34/x
  3. Step 3: Cross multiply
    16,929.17x = 23,362.32 × 9,375.34
  4. Step 4: Simplify right side
    16,929.17x = 219,029,693.19
  5. Step 5: Solve for x
    x = 219,029,693.19/16,929.17
  6. Step 6: Final answer
    x = 12,938.01

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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.