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Finding the Fourth Proportional to 39,954.40, 59,924.88 and 14,648.68

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Solution

The fourth proportional to 39,954.40, 59,924.88 and 14,648.68 is: 21,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.40 : 59,924.88 = 14,648.68 : x
  2. Step 2: Convert to fraction form
    39,954.40/59,924.88 = 14,648.68/x
  3. Step 3: Cross multiply
    39,954.40x = 59,924.88 × 14,648.68
  4. Step 4: Simplify right side
    39,954.40x = 877,820,391.16
  5. Step 5: Solve for x
    x = 877,820,391.16/39,954.40
  6. Step 6: Final answer
    x = 21,970.56

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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.