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Finding the Fourth Proportional to 10,762.04, 16,129.11 and 4,834.55

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Solution

The fourth proportional to 10,762.04, 16,129.11 and 4,834.55 is: 7,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.04 : 16,129.11 = 4,834.55 : x
  2. Step 2: Convert to fraction form
    10,762.04/16,129.11 = 4,834.55/x
  3. Step 3: Cross multiply
    10,762.04x = 16,129.11 × 4,834.55
  4. Step 4: Simplify right side
    10,762.04x = 77,976,988.75
  5. Step 5: Solve for x
    x = 77,976,988.75/10,762.04
  6. Step 6: Final answer
    x = 7,245.56

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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.