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Finding the Fourth Proportional to 56,354.41, 84,411.73 and 45,774.73

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Solution

The fourth proportional to 56,354.41, 84,411.73 and 45,774.73 is: 68,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354.41 : 84,411.73 = 45,774.73 : x
  2. Step 2: Convert to fraction form
    56,354.41/84,411.73 = 45,774.73/x
  3. Step 3: Cross multiply
    56,354.41x = 84,411.73 × 45,774.73
  4. Step 4: Simplify right side
    56,354.41x = 3,863,924,149.58
  5. Step 5: Solve for x
    x = 3,863,924,149.58/56,354.41
  6. Step 6: Final answer
    x = 68,564.72

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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.