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Finding the Fourth Proportional to 56,558.60, 84,870.30 and 21,523.40

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Solution

The fourth proportional to 56,558.60, 84,870.30 and 21,523.40 is: 32,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,558.60 : 84,870.30 = 21,523.40 : x
  2. Step 2: Convert to fraction form
    56,558.60/84,870.30 = 21,523.40/x
  3. Step 3: Cross multiply
    56,558.60x = 84,870.30 × 21,523.40
  4. Step 4: Simplify right side
    56,558.60x = 1,826,697,415.02
  5. Step 5: Solve for x
    x = 1,826,697,415.02/56,558.60
  6. Step 6: Final answer
    x = 32,297.43

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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.