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Finding the Fourth Proportional to 55,985.50, 83,978.92 and 23,960.24

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Solution

The fourth proportional to 55,985.50, 83,978.92 and 23,960.24 is: 35,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.50 : 83,978.92 = 23,960.24 : x
  2. Step 2: Convert to fraction form
    55,985.50/83,978.92 = 23,960.24/x
  3. Step 3: Cross multiply
    55,985.50x = 83,978.92 × 23,960.24
  4. Step 4: Simplify right side
    55,985.50x = 2,012,155,078.14
  5. Step 5: Solve for x
    x = 2,012,155,078.14/55,985.50
  6. Step 6: Final answer
    x = 35,940.65

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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.