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Finding the Fourth Proportional to 67,750.76, 93,499.54 and 40,892.90

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Solution

The fourth proportional to 67,750.76, 93,499.54 and 40,892.90 is: 56,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,750.76 : 93,499.54 = 40,892.90 : x
  2. Step 2: Convert to fraction form
    67,750.76/93,499.54 = 40,892.90/x
  3. Step 3: Cross multiply
    67,750.76x = 93,499.54 × 40,892.90
  4. Step 4: Simplify right side
    67,750.76x = 3,823,467,339.27
  5. Step 5: Solve for x
    x = 3,823,467,339.27/67,750.76
  6. Step 6: Final answer
    x = 56,434.31

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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.