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Finding the Fourth Proportional to 17,339.12, 23,927.96 and 9,381.32

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Solution

The fourth proportional to 17,339.12, 23,927.96 and 9,381.32 is: 12,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.12 : 23,927.96 = 9,381.32 : x
  2. Step 2: Convert to fraction form
    17,339.12/23,927.96 = 9,381.32/x
  3. Step 3: Cross multiply
    17,339.12x = 23,927.96 × 9,381.32
  4. Step 4: Simplify right side
    17,339.12x = 224,475,849.71
  5. Step 5: Solve for x
    x = 224,475,849.71/17,339.12
  6. Step 6: Final answer
    x = 12,946.21

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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.