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Finding the Fourth Proportional to 61,026.75, 91,482.41 and 46,010.57

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Solution

The fourth proportional to 61,026.75, 91,482.41 and 46,010.57 is: 68,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,026.75 : 91,482.41 = 46,010.57 : x
  2. Step 2: Convert to fraction form
    61,026.75/91,482.41 = 46,010.57/x
  3. Step 3: Cross multiply
    61,026.75x = 91,482.41 × 46,010.57
  4. Step 4: Simplify right side
    61,026.75x = 4,209,157,829.07
  5. Step 5: Solve for x
    x = 4,209,157,829.07/61,026.75
  6. Step 6: Final answer
    x = 68,972.34

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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.