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Finding the Fourth Proportional to 35,670.51, 49,221.10 and 20,563.00

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Solution

The fourth proportional to 35,670.51, 49,221.10 and 20,563.00 is: 28,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.51 : 49,221.10 = 20,563.00 : x
  2. Step 2: Convert to fraction form
    35,670.51/49,221.10 = 20,563.00/x
  3. Step 3: Cross multiply
    35,670.51x = 49,221.10 × 20,563.00
  4. Step 4: Simplify right side
    35,670.51x = 1,012,133,381.95
  5. Step 5: Solve for x
    x = 1,012,133,381.95/35,670.51
  6. Step 6: Final answer
    x = 28,374.51

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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.