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Finding the Fourth Proportional to 60,127.76, 82,969.20 and 33,266.72

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Solution

The fourth proportional to 60,127.76, 82,969.20 and 33,266.72 is: 45,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,127.76 : 82,969.20 = 33,266.72 : x
  2. Step 2: Convert to fraction form
    60,127.76/82,969.20 = 33,266.72/x
  3. Step 3: Cross multiply
    60,127.76x = 82,969.20 × 33,266.72
  4. Step 4: Simplify right side
    60,127.76x = 2,760,113,145.02
  5. Step 5: Solve for x
    x = 2,760,113,145.02/60,127.76
  6. Step 6: Final answer
    x = 45,904.14

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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.