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Finding the Fourth Proportional to 40,490.84, 55,882.86 and 23,495.42

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Solution

The fourth proportional to 40,490.84, 55,882.86 and 23,495.42 is: 32,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490.84 : 55,882.86 = 23,495.42 : x
  2. Step 2: Convert to fraction form
    40,490.84/55,882.86 = 23,495.42/x
  3. Step 3: Cross multiply
    40,490.84x = 55,882.86 × 23,495.42
  4. Step 4: Simplify right side
    40,490.84x = 1,312,991,266.50
  5. Step 5: Solve for x
    x = 1,312,991,266.50/40,490.84
  6. Step 6: Final answer
    x = 32,426.87

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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.