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Finding the Fourth Proportional to 35,852.92, 49,478.24 and 19,720.91

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Solution

The fourth proportional to 35,852.92, 49,478.24 and 19,720.91 is: 27,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,852.92 : 49,478.24 = 19,720.91 : x
  2. Step 2: Convert to fraction form
    35,852.92/49,478.24 = 19,720.91/x
  3. Step 3: Cross multiply
    35,852.92x = 49,478.24 × 19,720.91
  4. Step 4: Simplify right side
    35,852.92x = 975,755,943.09
  5. Step 5: Solve for x
    x = 975,755,943.09/35,852.92
  6. Step 6: Final answer
    x = 27,215.52

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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.