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Finding the Fourth Proportional to 58,654.76, 87,983 and 40,625.21

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Solution

The fourth proportional to 58,654.76, 87,983 and 40,625.21 is: 60,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,654.76 : 87,983 = 40,625.21 : x
  2. Step 2: Convert to fraction form
    58,654.76/87,983 = 40,625.21/x
  3. Step 3: Cross multiply
    58,654.76x = 87,983 × 40,625.21
  4. Step 4: Simplify right side
    58,654.76x = 3,574,327,851.43
  5. Step 5: Solve for x
    x = 3,574,327,851.43/58,654.76
  6. Step 6: Final answer
    x = 60,938.41

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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.