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Finding the Fourth Proportional to 53,886.62, 74,365.84 and 30,013.30

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Solution

The fourth proportional to 53,886.62, 74,365.84 and 30,013.30 is: 41,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.62 : 74,365.84 = 30,013.30 : x
  2. Step 2: Convert to fraction form
    53,886.62/74,365.84 = 30,013.30/x
  3. Step 3: Cross multiply
    53,886.62x = 74,365.84 × 30,013.30
  4. Step 4: Simplify right side
    53,886.62x = 2,231,964,265.67
  5. Step 5: Solve for x
    x = 2,231,964,265.67/53,886.62
  6. Step 6: Final answer
    x = 41,419.64

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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.