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Finding the Fourth Proportional to 89,082.59, 133,642.98 and 25,903.80

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Solution

The fourth proportional to 89,082.59, 133,642.98 and 25,903.80 is: 38,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.59 : 133,642.98 = 25,903.80 : x
  2. Step 2: Convert to fraction form
    89,082.59/133,642.98 = 25,903.80/x
  3. Step 3: Cross multiply
    89,082.59x = 133,642.98 × 25,903.80
  4. Step 4: Simplify right side
    89,082.59x = 3,461,861,025.32
  5. Step 5: Solve for x
    x = 3,461,861,025.32/89,082.59
  6. Step 6: Final answer
    x = 38,861.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.