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Finding the Fourth Proportional to 39,162.03, 58,742.78 and 9,580.29

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Solution

The fourth proportional to 39,162.03, 58,742.78 and 9,580.29 is: 14,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.03 : 58,742.78 = 9,580.29 : x
  2. Step 2: Convert to fraction form
    39,162.03/58,742.78 = 9,580.29/x
  3. Step 3: Cross multiply
    39,162.03x = 58,742.78 × 9,580.29
  4. Step 4: Simplify right side
    39,162.03x = 562,772,819.90
  5. Step 5: Solve for x
    x = 562,772,819.90/39,162.03
  6. Step 6: Final answer
    x = 14,370.37

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1.5x scale

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.