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Finding the Fourth Proportional to 45,642.96, 62,989.74 and 25,499.88

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Solution

The fourth proportional to 45,642.96, 62,989.74 and 25,499.88 is: 35,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,642.96 : 62,989.74 = 25,499.88 : x
  2. Step 2: Convert to fraction form
    45,642.96/62,989.74 = 25,499.88/x
  3. Step 3: Cross multiply
    45,642.96x = 62,989.74 × 25,499.88
  4. Step 4: Simplify right side
    45,642.96x = 1,606,230,811.23
  5. Step 5: Solve for x
    x = 1,606,230,811.23/45,642.96
  6. Step 6: Final answer
    x = 35,191.21

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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.