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Finding the Fourth Proportional to 55,507.74, 83,258.71 and 49,338.58

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Solution

The fourth proportional to 55,507.74, 83,258.71 and 49,338.58 is: 74,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,507.74 : 83,258.71 = 49,338.58 : x
  2. Step 2: Convert to fraction form
    55,507.74/83,258.71 = 49,338.58/x
  3. Step 3: Cross multiply
    55,507.74x = 83,258.71 × 49,338.58
  4. Step 4: Simplify right side
    55,507.74x = 4,107,866,524.03
  5. Step 5: Solve for x
    x = 4,107,866,524.03/55,507.74
  6. Step 6: Final answer
    x = 74,005.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.