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Finding the Fourth Proportional to 10,763.71, 14,861.16 and 9,625.84

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Solution

The fourth proportional to 10,763.71, 14,861.16 and 9,625.84 is: 13,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.71 : 14,861.16 = 9,625.84 : x
  2. Step 2: Convert to fraction form
    10,763.71/14,861.16 = 9,625.84/x
  3. Step 3: Cross multiply
    10,763.71x = 14,861.16 × 9,625.84
  4. Step 4: Simplify right side
    10,763.71x = 143,051,148.37
  5. Step 5: Solve for x
    x = 143,051,148.37/10,763.71
  6. Step 6: Final answer
    x = 13,290.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.