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Finding the Fourth Proportional to 60,479.64, 90,705.60 and 23,043.96

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Solution

The fourth proportional to 60,479.64, 90,705.60 and 23,043.96 is: 34,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,479.64 : 90,705.60 = 23,043.96 : x
  2. Step 2: Convert to fraction form
    60,479.64/90,705.60 = 23,043.96/x
  3. Step 3: Cross multiply
    60,479.64x = 90,705.60 × 23,043.96
  4. Step 4: Simplify right side
    60,479.64x = 2,090,216,218.18
  5. Step 5: Solve for x
    x = 2,090,216,218.18/60,479.64
  6. Step 6: Final answer
    x = 34,560.66

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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.