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Finding the Fourth Proportional to 74,885.96, 112,273.45 and 35,396.93

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Solution

The fourth proportional to 74,885.96, 112,273.45 and 35,396.93 is: 53,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885.96 : 112,273.45 = 35,396.93 : x
  2. Step 2: Convert to fraction form
    74,885.96/112,273.45 = 35,396.93/x
  3. Step 3: Cross multiply
    74,885.96x = 112,273.45 × 35,396.93
  4. Step 4: Simplify right side
    74,885.96x = 3,974,135,450.51
  5. Step 5: Solve for x
    x = 3,974,135,450.51/74,885.96
  6. Step 6: Final answer
    x = 53,069.17

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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.