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Finding the Fourth Proportional to 63,348.94, 87,423.87 and 40,992.94

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Solution

The fourth proportional to 63,348.94, 87,423.87 and 40,992.94 is: 56,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,348.94 : 87,423.87 = 40,992.94 : x
  2. Step 2: Convert to fraction form
    63,348.94/87,423.87 = 40,992.94/x
  3. Step 3: Cross multiply
    63,348.94x = 87,423.87 × 40,992.94
  4. Step 4: Simplify right side
    63,348.94x = 3,583,761,457.48
  5. Step 5: Solve for x
    x = 3,583,761,457.48/63,348.94
  6. Step 6: Final answer
    x = 56,571.77

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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.