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Finding the Fourth Proportional to 9,809.48, 14,719.08 and 3,967.76

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Solution

The fourth proportional to 9,809.48, 14,719.08 and 3,967.76 is: 5,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.48 : 14,719.08 = 3,967.76 : x
  2. Step 2: Convert to fraction form
    9,809.48/14,719.08 = 3,967.76/x
  3. Step 3: Cross multiply
    9,809.48x = 14,719.08 × 3,967.76
  4. Step 4: Simplify right side
    9,809.48x = 58,401,776.86
  5. Step 5: Solve for x
    x = 58,401,776.86/9,809.48
  6. Step 6: Final answer
    x = 5,953.61

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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.