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Finding the Fourth Proportional to 39,980.76, 59,950.89 and 23,344.98

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Solution

The fourth proportional to 39,980.76, 59,950.89 and 23,344.98 is: 35,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.76 : 59,950.89 = 23,344.98 : x
  2. Step 2: Convert to fraction form
    39,980.76/59,950.89 = 23,344.98/x
  3. Step 3: Cross multiply
    39,980.76x = 59,950.89 × 23,344.98
  4. Step 4: Simplify right side
    39,980.76x = 1,399,552,328.03
  5. Step 5: Solve for x
    x = 1,399,552,328.03/39,980.76
  6. Step 6: Final answer
    x = 35,005.65

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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.