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Finding the Fourth Proportional to 33,405.70, 46,098.93 and 18,501.70

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Solution

The fourth proportional to 33,405.70, 46,098.93 and 18,501.70 is: 25,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.70 : 46,098.93 = 18,501.70 : x
  2. Step 2: Convert to fraction form
    33,405.70/46,098.93 = 18,501.70/x
  3. Step 3: Cross multiply
    33,405.70x = 46,098.93 × 18,501.70
  4. Step 4: Simplify right side
    33,405.70x = 852,908,573.18
  5. Step 5: Solve for x
    x = 852,908,573.18/33,405.70
  6. Step 6: Final answer
    x = 25,531.83

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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.