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Finding the Fourth Proportional to 29,672.95, 40,945.04 and 23,638.56

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Solution

The fourth proportional to 29,672.95, 40,945.04 and 23,638.56 is: 32,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.95 : 40,945.04 = 23,638.56 : x
  2. Step 2: Convert to fraction form
    29,672.95/40,945.04 = 23,638.56/x
  3. Step 3: Cross multiply
    29,672.95x = 40,945.04 × 23,638.56
  4. Step 4: Simplify right side
    29,672.95x = 967,881,666.55
  5. Step 5: Solve for x
    x = 967,881,666.55/29,672.95
  6. Step 6: Final answer
    x = 32,618.32

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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.