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Finding the Fourth Proportional to 45,695.72, 63,065.96 and 25,553.72

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Solution

The fourth proportional to 45,695.72, 63,065.96 and 25,553.72 is: 35,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.72 : 63,065.96 = 25,553.72 : x
  2. Step 2: Convert to fraction form
    45,695.72/63,065.96 = 25,553.72/x
  3. Step 3: Cross multiply
    45,695.72x = 63,065.96 × 25,553.72
  4. Step 4: Simplify right side
    45,695.72x = 1,611,570,009.09
  5. Step 5: Solve for x
    x = 1,611,570,009.09/45,695.72
  6. Step 6: Final answer
    x = 35,267.41

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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.