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Finding the Fourth Proportional to 39,925.98, 59,889.78 and 26,803.98

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Solution

The fourth proportional to 39,925.98, 59,889.78 and 26,803.98 is: 40,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.98 : 59,889.78 = 26,803.98 : x
  2. Step 2: Convert to fraction form
    39,925.98/59,889.78 = 26,803.98/x
  3. Step 3: Cross multiply
    39,925.98x = 59,889.78 × 26,803.98
  4. Step 4: Simplify right side
    39,925.98x = 1,605,284,465.32
  5. Step 5: Solve for x
    x = 1,605,284,465.32/39,925.98
  6. Step 6: Final answer
    x = 40,206.51

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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.