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Finding the Fourth Proportional to 10,552.68, 14,562.12 and 5,771.68

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Solution

The fourth proportional to 10,552.68, 14,562.12 and 5,771.68 is: 7,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.68 : 14,562.12 = 5,771.68 : x
  2. Step 2: Convert to fraction form
    10,552.68/14,562.12 = 5,771.68/x
  3. Step 3: Cross multiply
    10,552.68x = 14,562.12 × 5,771.68
  4. Step 4: Simplify right side
    10,552.68x = 84,047,896.76
  5. Step 5: Solve for x
    x = 84,047,896.76/10,552.68
  6. Step 6: Final answer
    x = 7,964.60

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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.