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Finding the Fourth Proportional to 56,646.54, 84,920.13 and 21,562.86

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Solution

The fourth proportional to 56,646.54, 84,920.13 and 21,562.86 is: 32,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.54 : 84,920.13 = 21,562.86 : x
  2. Step 2: Convert to fraction form
    56,646.54/84,920.13 = 21,562.86/x
  3. Step 3: Cross multiply
    56,646.54x = 84,920.13 × 21,562.86
  4. Step 4: Simplify right side
    56,646.54x = 1,831,120,874.37
  5. Step 5: Solve for x
    x = 1,831,120,874.37/56,646.54
  6. Step 6: Final answer
    x = 32,325.38

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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.