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Finding the Fourth Proportional to 17,859.61, 26,787.53 and 7,330.74

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Solution

The fourth proportional to 17,859.61, 26,787.53 and 7,330.74 is: 10,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.61 : 26,787.53 = 7,330.74 : x
  2. Step 2: Convert to fraction form
    17,859.61/26,787.53 = 7,330.74/x
  3. Step 3: Cross multiply
    17,859.61x = 26,787.53 × 7,330.74
  4. Step 4: Simplify right side
    17,859.61x = 196,372,444.99
  5. Step 5: Solve for x
    x = 196,372,444.99/17,859.61
  6. Step 6: Final answer
    x = 10,995.34

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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.