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Finding the Fourth Proportional to 9,674.31, 14,486.95 and 8,110.20

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Solution

The fourth proportional to 9,674.31, 14,486.95 and 8,110.20 is: 12,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,674.31 : 14,486.95 = 8,110.20 : x
  2. Step 2: Convert to fraction form
    9,674.31/14,486.95 = 8,110.20/x
  3. Step 3: Cross multiply
    9,674.31x = 14,486.95 × 8,110.20
  4. Step 4: Simplify right side
    9,674.31x = 117,492,061.89
  5. Step 5: Solve for x
    x = 117,492,061.89/9,674.31
  6. Step 6: Final answer
    x = 12,144.75

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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.