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Finding the Fourth Proportional to 49,307.92, 68,101.50 and 35,938.90

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Solution

The fourth proportional to 49,307.92, 68,101.50 and 35,938.90 is: 49,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,307.92 : 68,101.50 = 35,938.90 : x
  2. Step 2: Convert to fraction form
    49,307.92/68,101.50 = 35,938.90/x
  3. Step 3: Cross multiply
    49,307.92x = 68,101.50 × 35,938.90
  4. Step 4: Simplify right side
    49,307.92x = 2,447,492,998.35
  5. Step 5: Solve for x
    x = 2,447,492,998.35/49,307.92
  6. Step 6: Final answer
    x = 49,636.91

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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.