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Finding the Fourth Proportional to 33,585.50, 46,348.26 and 18,681.50

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Solution

The fourth proportional to 33,585.50, 46,348.26 and 18,681.50 is: 25,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,585.50 : 46,348.26 = 18,681.50 : x
  2. Step 2: Convert to fraction form
    33,585.50/46,348.26 = 18,681.50/x
  3. Step 3: Cross multiply
    33,585.50x = 46,348.26 × 18,681.50
  4. Step 4: Simplify right side
    33,585.50x = 865,855,019.19
  5. Step 5: Solve for x
    x = 865,855,019.19/33,585.50
  6. Step 6: Final answer
    x = 25,780.62

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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.