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Finding the Fourth Proportional to 62,416.75, 93,625.16 and 20,863.75

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Solution

The fourth proportional to 62,416.75, 93,625.16 and 20,863.75 is: 31,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,416.75 : 93,625.16 = 20,863.75 : x
  2. Step 2: Convert to fraction form
    62,416.75/93,625.16 = 20,863.75/x
  3. Step 3: Cross multiply
    62,416.75x = 93,625.16 × 20,863.75
  4. Step 4: Simplify right side
    62,416.75x = 1,953,371,931.95
  5. Step 5: Solve for x
    x = 1,953,371,931.95/62,416.75
  6. Step 6: Final answer
    x = 31,295.64

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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.