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Finding the Fourth Proportional to 46,167.88, 69,239.50 and 12,882.10

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Solution

The fourth proportional to 46,167.88, 69,239.50 and 12,882.10 is: 19,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,167.88 : 69,239.50 = 12,882.10 : x
  2. Step 2: Convert to fraction form
    46,167.88/69,239.50 = 12,882.10/x
  3. Step 3: Cross multiply
    46,167.88x = 69,239.50 × 12,882.10
  4. Step 4: Simplify right side
    46,167.88x = 891,950,162.95
  5. Step 5: Solve for x
    x = 891,950,162.95/46,167.88
  6. Step 6: Final answer
    x = 19,319.71

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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.