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Finding the Fourth Proportional to 39,662.64, 59,475.50 and 14,701.68

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Solution

The fourth proportional to 39,662.64, 59,475.50 and 14,701.68 is: 22,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.64 : 59,475.50 = 14,701.68 : x
  2. Step 2: Convert to fraction form
    39,662.64/59,475.50 = 14,701.68/x
  3. Step 3: Cross multiply
    39,662.64x = 59,475.50 × 14,701.68
  4. Step 4: Simplify right side
    39,662.64x = 874,389,768.84
  5. Step 5: Solve for x
    x = 874,389,768.84/39,662.64
  6. Step 6: Final answer
    x = 22,045.68

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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.