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Finding the Fourth Proportional to 34,045.43, 46,982.02 and 18,937.77

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Solution

The fourth proportional to 34,045.43, 46,982.02 and 18,937.77 is: 26,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.43 : 46,982.02 = 18,937.77 : x
  2. Step 2: Convert to fraction form
    34,045.43/46,982.02 = 18,937.77/x
  3. Step 3: Cross multiply
    34,045.43x = 46,982.02 × 18,937.77
  4. Step 4: Simplify right side
    34,045.43x = 889,734,688.90
  5. Step 5: Solve for x
    x = 889,734,688.90/34,045.43
  6. Step 6: Final answer
    x = 26,133.75

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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.