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Finding the Fourth Proportional to 17,657.94, 26,510.06 and 11,840.58

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Solution

The fourth proportional to 17,657.94, 26,510.06 and 11,840.58 is: 17,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.94 : 26,510.06 = 11,840.58 : x
  2. Step 2: Convert to fraction form
    17,657.94/26,510.06 = 11,840.58/x
  3. Step 3: Cross multiply
    17,657.94x = 26,510.06 × 11,840.58
  4. Step 4: Simplify right side
    17,657.94x = 313,894,486.23
  5. Step 5: Solve for x
    x = 313,894,486.23/17,657.94
  6. Step 6: Final answer
    x = 17,776.39

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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.