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Finding the Fourth Proportional to 60,215.60, 90,319.89 and 18,094.79

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Solution

The fourth proportional to 60,215.60, 90,319.89 and 18,094.79 is: 27,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215.60 : 90,319.89 = 18,094.79 : x
  2. Step 2: Convert to fraction form
    60,215.60/90,319.89 = 18,094.79/x
  3. Step 3: Cross multiply
    60,215.60x = 90,319.89 × 18,094.79
  4. Step 4: Simplify right side
    60,215.60x = 1,634,319,736.03
  5. Step 5: Solve for x
    x = 1,634,319,736.03/60,215.60
  6. Step 6: Final answer
    x = 27,141.13

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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.