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Finding the Fourth Proportional to 45,652.79, 63,020.25 and 27,753.51

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Solution

The fourth proportional to 45,652.79, 63,020.25 and 27,753.51 is: 38,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,652.79 : 63,020.25 = 27,753.51 : x
  2. Step 2: Convert to fraction form
    45,652.79/63,020.25 = 27,753.51/x
  3. Step 3: Cross multiply
    45,652.79x = 63,020.25 × 27,753.51
  4. Step 4: Simplify right side
    45,652.79x = 1,749,032,999.81
  5. Step 5: Solve for x
    x = 1,749,032,999.81/45,652.79
  6. Step 6: Final answer
    x = 38,311.63

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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.