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Finding the Fourth Proportional to 62,075.74, 85,664.73 and 33,781.54

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Solution

The fourth proportional to 62,075.74, 85,664.73 and 33,781.54 is: 46,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,075.74 : 85,664.73 = 33,781.54 : x
  2. Step 2: Convert to fraction form
    62,075.74/85,664.73 = 33,781.54/x
  3. Step 3: Cross multiply
    62,075.74x = 85,664.73 × 33,781.54
  4. Step 4: Simplify right side
    62,075.74x = 2,893,886,503.08
  5. Step 5: Solve for x
    x = 2,893,886,503.08/62,075.74
  6. Step 6: Final answer
    x = 46,618.64

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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.