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Finding the Fourth Proportional to 58,740.63, 81,062.13 and 31,883.13

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Solution

The fourth proportional to 58,740.63, 81,062.13 and 31,883.13 is: 43,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,740.63 : 81,062.13 = 31,883.13 : x
  2. Step 2: Convert to fraction form
    58,740.63/81,062.13 = 31,883.13/x
  3. Step 3: Cross multiply
    58,740.63x = 81,062.13 × 31,883.13
  4. Step 4: Simplify right side
    58,740.63x = 2,584,514,548.43
  5. Step 5: Solve for x
    x = 2,584,514,548.43/58,740.63
  6. Step 6: Final answer
    x = 43,998.76

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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.