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Finding the Fourth Proportional to 61,883.57, 92,810.47 and 28,571.63

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Solution

The fourth proportional to 61,883.57, 92,810.47 and 28,571.63 is: 42,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883.57 : 92,810.47 = 28,571.63 : x
  2. Step 2: Convert to fraction form
    61,883.57/92,810.47 = 28,571.63/x
  3. Step 3: Cross multiply
    61,883.57x = 92,810.47 × 28,571.63
  4. Step 4: Simplify right side
    61,883.57x = 2,651,746,408.97
  5. Step 5: Solve for x
    x = 2,651,746,408.97/61,883.57
  6. Step 6: Final answer
    x = 42,850.57

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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.