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Finding the Fourth Proportional to 17,787.93, 26,697.21 and 9,898.32

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Solution

The fourth proportional to 17,787.93, 26,697.21 and 9,898.32 is: 14,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.93 : 26,697.21 = 9,898.32 : x
  2. Step 2: Convert to fraction form
    17,787.93/26,697.21 = 9,898.32/x
  3. Step 3: Cross multiply
    17,787.93x = 26,697.21 × 9,898.32
  4. Step 4: Simplify right side
    17,787.93x = 264,257,527.69
  5. Step 5: Solve for x
    x = 264,257,527.69/17,787.93
  6. Step 6: Final answer
    x = 14,856.00

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1.5x scale

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.