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Finding the Fourth Proportional to 60,295.92, 90,409.32 and 23,316.72

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Solution

The fourth proportional to 60,295.92, 90,409.32 and 23,316.72 is: 34,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,295.92 : 90,409.32 = 23,316.72 : x
  2. Step 2: Convert to fraction form
    60,295.92/90,409.32 = 23,316.72/x
  3. Step 3: Cross multiply
    60,295.92x = 90,409.32 × 23,316.72
  4. Step 4: Simplify right side
    60,295.92x = 2,108,048,799.83
  5. Step 5: Solve for x
    x = 2,108,048,799.83/60,295.92
  6. Step 6: Final answer
    x = 34,961.72

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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.