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Finding the Fourth Proportional to 68,300.89, 94,256.90 and 38,085.92

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Solution

The fourth proportional to 68,300.89, 94,256.90 and 38,085.92 is: 52,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,300.89 : 94,256.90 = 38,085.92 : x
  2. Step 2: Convert to fraction form
    68,300.89/94,256.90 = 38,085.92/x
  3. Step 3: Cross multiply
    68,300.89x = 94,256.90 × 38,085.92
  4. Step 4: Simplify right side
    68,300.89x = 3,589,860,091.13
  5. Step 5: Solve for x
    x = 3,589,860,091.13/68,300.89
  6. Step 6: Final answer
    x = 52,559.49

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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.