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Finding the Fourth Proportional to 29,484.56, 40,659.72 and 25,020.56

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Solution

The fourth proportional to 29,484.56, 40,659.72 and 25,020.56 is: 34,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.56 : 40,659.72 = 25,020.56 : x
  2. Step 2: Convert to fraction form
    29,484.56/40,659.72 = 25,020.56/x
  3. Step 3: Cross multiply
    29,484.56x = 40,659.72 × 25,020.56
  4. Step 4: Simplify right side
    29,484.56x = 1,017,328,963.84
  5. Step 5: Solve for x
    x = 1,017,328,963.84/29,484.56
  6. Step 6: Final answer
    x = 34,503.79

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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.