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Finding the Fourth Proportional to 45,253.80, 67,880.64 and 25,523.40

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Solution

The fourth proportional to 45,253.80, 67,880.64 and 25,523.40 is: 38,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253.80 : 67,880.64 = 25,523.40 : x
  2. Step 2: Convert to fraction form
    45,253.80/67,880.64 = 25,523.40/x
  3. Step 3: Cross multiply
    45,253.80x = 67,880.64 × 25,523.40
  4. Step 4: Simplify right side
    45,253.80x = 1,732,544,726.98
  5. Step 5: Solve for x
    x = 1,732,544,726.98/45,253.80
  6. Step 6: Final answer
    x = 38,285.07

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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.