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Finding the Fourth Proportional to 35,655.96, 49,203.34 and 19,520.17

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Solution

The fourth proportional to 35,655.96, 49,203.34 and 19,520.17 is: 26,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.96 : 49,203.34 = 19,520.17 : x
  2. Step 2: Convert to fraction form
    35,655.96/49,203.34 = 19,520.17/x
  3. Step 3: Cross multiply
    35,655.96x = 49,203.34 × 19,520.17
  4. Step 4: Simplify right side
    35,655.96x = 960,457,561.37
  5. Step 5: Solve for x
    x = 960,457,561.37/35,655.96
  6. Step 6: Final answer
    x = 26,936.80

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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.