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Finding the Fourth Proportional to 35,810.28, 49,418.10 and 19,894.68

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Solution

The fourth proportional to 35,810.28, 49,418.10 and 19,894.68 is: 27,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.28 : 49,418.10 = 19,894.68 : x
  2. Step 2: Convert to fraction form
    35,810.28/49,418.10 = 19,894.68/x
  3. Step 3: Cross multiply
    35,810.28x = 49,418.10 × 19,894.68
  4. Step 4: Simplify right side
    35,810.28x = 983,157,285.71
  5. Step 5: Solve for x
    x = 983,157,285.71/35,810.28
  6. Step 6: Final answer
    x = 27,454.61

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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.