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Finding the Fourth Proportional to 39,752.30, 59,628.03 and 10,169.90

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Solution

The fourth proportional to 39,752.30, 59,628.03 and 10,169.90 is: 15,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.30 : 59,628.03 = 10,169.90 : x
  2. Step 2: Convert to fraction form
    39,752.30/59,628.03 = 10,169.90/x
  3. Step 3: Cross multiply
    39,752.30x = 59,628.03 × 10,169.90
  4. Step 4: Simplify right side
    39,752.30x = 606,411,102.30
  5. Step 5: Solve for x
    x = 606,411,102.30/39,752.30
  6. Step 6: Final answer
    x = 15,254.74

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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.