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Finding the Fourth Proportional to 34,000.40, 46,919.93 and 18,892.79

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Solution

The fourth proportional to 34,000.40, 46,919.93 and 18,892.79 is: 26,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,000.40 : 46,919.93 = 18,892.79 : x
  2. Step 2: Convert to fraction form
    34,000.40/46,919.93 = 18,892.79/x
  3. Step 3: Cross multiply
    34,000.40x = 46,919.93 × 18,892.79
  4. Step 4: Simplify right side
    34,000.40x = 886,448,126.09
  5. Step 5: Solve for x
    x = 886,448,126.09/34,000.40
  6. Step 6: Final answer
    x = 26,071.70

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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.