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Finding the Fourth Proportional to 60,676.54, 83,694.54 and 40,258.16

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Solution

The fourth proportional to 60,676.54, 83,694.54 and 40,258.16 is: 55,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.54 : 83,694.54 = 40,258.16 : x
  2. Step 2: Convert to fraction form
    60,676.54/83,694.54 = 40,258.16/x
  3. Step 3: Cross multiply
    60,676.54x = 83,694.54 × 40,258.16
  4. Step 4: Simplify right side
    60,676.54x = 3,369,388,291.04
  5. Step 5: Solve for x
    x = 3,369,388,291.04/60,676.54
  6. Step 6: Final answer
    x = 55,530.33

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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.