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Finding the Fourth Proportional to 43,652.46, 65,478.62 and 14,074.68

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Solution

The fourth proportional to 43,652.46, 65,478.62 and 14,074.68 is: 21,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,652.46 : 65,478.62 = 14,074.68 : x
  2. Step 2: Convert to fraction form
    43,652.46/65,478.62 = 14,074.68/x
  3. Step 3: Cross multiply
    43,652.46x = 65,478.62 × 14,074.68
  4. Step 4: Simplify right side
    43,652.46x = 921,590,623.34
  5. Step 5: Solve for x
    x = 921,590,623.34/43,652.46
  6. Step 6: Final answer
    x = 21,112.00

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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.