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Finding the Fourth Proportional to 34,808.40, 48,035.43 and 18,892.71

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Solution

The fourth proportional to 34,808.40, 48,035.43 and 18,892.71 is: 26,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.40 : 48,035.43 = 18,892.71 : x
  2. Step 2: Convert to fraction form
    34,808.40/48,035.43 = 18,892.71/x
  3. Step 3: Cross multiply
    34,808.40x = 48,035.43 × 18,892.71
  4. Step 4: Simplify right side
    34,808.40x = 907,519,448.72
  5. Step 5: Solve for x
    x = 907,519,448.72/34,808.40
  6. Step 6: Final answer
    x = 26,071.85

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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.