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Finding the Fourth Proportional to 39,980.51, 59,948.73 and 16,281.99

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Solution

The fourth proportional to 39,980.51, 59,948.73 and 16,281.99 is: 24,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.51 : 59,948.73 = 16,281.99 : x
  2. Step 2: Convert to fraction form
    39,980.51/59,948.73 = 16,281.99/x
  3. Step 3: Cross multiply
    39,980.51x = 59,948.73 × 16,281.99
  4. Step 4: Simplify right side
    39,980.51x = 976,084,622.37
  5. Step 5: Solve for x
    x = 976,084,622.37/39,980.51
  6. Step 6: Final answer
    x = 24,414.01

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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.