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Finding the Fourth Proportional to 31,670.03, 47,491.68 and 9,486.56

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Solution

The fourth proportional to 31,670.03, 47,491.68 and 9,486.56 is: 14,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.03 : 47,491.68 = 9,486.56 : x
  2. Step 2: Convert to fraction form
    31,670.03/47,491.68 = 9,486.56/x
  3. Step 3: Cross multiply
    31,670.03x = 47,491.68 × 9,486.56
  4. Step 4: Simplify right side
    31,670.03x = 450,532,671.82
  5. Step 5: Solve for x
    x = 450,532,671.82/31,670.03
  6. Step 6: Final answer
    x = 14,225.84

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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.