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Finding the Fourth Proportional to 60,405.54, 90,587.78 and 22,956.60

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Solution

The fourth proportional to 60,405.54, 90,587.78 and 22,956.60 is: 34,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.54 : 90,587.78 = 22,956.60 : x
  2. Step 2: Convert to fraction form
    60,405.54/90,587.78 = 22,956.60/x
  3. Step 3: Cross multiply
    60,405.54x = 90,587.78 × 22,956.60
  4. Step 4: Simplify right side
    60,405.54x = 2,079,587,430.35
  5. Step 5: Solve for x
    x = 2,079,587,430.35/60,405.54
  6. Step 6: Final answer
    x = 34,427.10

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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.