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Finding the Fourth Proportional to 55,025.28, 75,935.04 and 29,875.20

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Solution

The fourth proportional to 55,025.28, 75,935.04 and 29,875.20 is: 41,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025.28 : 75,935.04 = 29,875.20 : x
  2. Step 2: Convert to fraction form
    55,025.28/75,935.04 = 29,875.20/x
  3. Step 3: Cross multiply
    55,025.28x = 75,935.04 × 29,875.20
  4. Step 4: Simplify right side
    55,025.28x = 2,268,574,507.01
  5. Step 5: Solve for x
    x = 2,268,574,507.01/55,025.28
  6. Step 6: Final answer
    x = 41,227.86

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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.