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Finding the Fourth Proportional to 43,686.78, 60,287.76 and 23,814.78

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Solution

The fourth proportional to 43,686.78, 60,287.76 and 23,814.78 is: 32,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686.78 : 60,287.76 = 23,814.78 : x
  2. Step 2: Convert to fraction form
    43,686.78/60,287.76 = 23,814.78/x
  3. Step 3: Cross multiply
    43,686.78x = 60,287.76 × 23,814.78
  4. Step 4: Simplify right side
    43,686.78x = 1,435,739,741.09
  5. Step 5: Solve for x
    x = 1,435,739,741.09/43,686.78
  6. Step 6: Final answer
    x = 32,864.40

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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.