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Finding the Fourth Proportional to 58,777.76, 81,120.72 and 36,425.12

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Solution

The fourth proportional to 58,777.76, 81,120.72 and 36,425.12 is: 50,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.76 : 81,120.72 = 36,425.12 : x
  2. Step 2: Convert to fraction form
    58,777.76/81,120.72 = 36,425.12/x
  3. Step 3: Cross multiply
    58,777.76x = 81,120.72 × 36,425.12
  4. Step 4: Simplify right side
    58,777.76x = 2,954,831,960.49
  5. Step 5: Solve for x
    x = 2,954,831,960.49/58,777.76
  6. Step 6: Final answer
    x = 50,271.26

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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.