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Finding the Fourth Proportional to 61,074.88, 91,476.96 and 46,930.78

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Solution

The fourth proportional to 61,074.88, 91,476.96 and 46,930.78 is: 70,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074.88 : 91,476.96 = 46,930.78 : x
  2. Step 2: Convert to fraction form
    61,074.88/91,476.96 = 46,930.78/x
  3. Step 3: Cross multiply
    61,074.88x = 91,476.96 × 46,930.78
  4. Step 4: Simplify right side
    61,074.88x = 4,293,085,084.83
  5. Step 5: Solve for x
    x = 4,293,085,084.83/61,074.88
  6. Step 6: Final answer
    x = 70,292.16

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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.