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Finding the Fourth Proportional to 60,015.78, 90,028.16 and 17,892.63

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Solution

The fourth proportional to 60,015.78, 90,028.16 and 17,892.63 is: 26,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,015.78 : 90,028.16 = 17,892.63 : x
  2. Step 2: Convert to fraction form
    60,015.78/90,028.16 = 17,892.63/x
  3. Step 3: Cross multiply
    60,015.78x = 90,028.16 × 17,892.63
  4. Step 4: Simplify right side
    60,015.78x = 1,610,840,467.00
  5. Step 5: Solve for x
    x = 1,610,840,467.00/60,015.78
  6. Step 6: Final answer
    x = 26,840.28

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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.