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Finding the Fourth Proportional to 60,127.36, 82,978.74 and 36,261.76

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Solution

The fourth proportional to 60,127.36, 82,978.74 and 36,261.76 is: 50,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,127.36 : 82,978.74 = 36,261.76 : x
  2. Step 2: Convert to fraction form
    60,127.36/82,978.74 = 36,261.76/x
  3. Step 3: Cross multiply
    60,127.36x = 82,978.74 × 36,261.76
  4. Step 4: Simplify right side
    60,127.36x = 3,008,955,154.98
  5. Step 5: Solve for x
    x = 3,008,955,154.98/60,127.36
  6. Step 6: Final answer
    x = 50,043.03

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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.