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Finding the Fourth Proportional to 34,041.84, 46,970.92 and 19,891.92

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Solution

The fourth proportional to 34,041.84, 46,970.92 and 19,891.92 is: 27,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,041.84 : 46,970.92 = 19,891.92 : x
  2. Step 2: Convert to fraction form
    34,041.84/46,970.92 = 19,891.92/x
  3. Step 3: Cross multiply
    34,041.84x = 46,970.92 × 19,891.92
  4. Step 4: Simplify right side
    34,041.84x = 934,341,782.97
  5. Step 5: Solve for x
    x = 934,341,782.97/34,041.84
  6. Step 6: Final answer
    x = 27,446.86

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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.