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Finding the Fourth Proportional to 10,958.55, 16,437.83 and 7,065.69

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Solution

The fourth proportional to 10,958.55, 16,437.83 and 7,065.69 is: 10,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.55 : 16,437.83 = 7,065.69 : x
  2. Step 2: Convert to fraction form
    10,958.55/16,437.83 = 7,065.69/x
  3. Step 3: Cross multiply
    10,958.55x = 16,437.83 × 7,065.69
  4. Step 4: Simplify right side
    10,958.55x = 116,144,575.72
  5. Step 5: Solve for x
    x = 116,144,575.72/10,958.55
  6. Step 6: Final answer
    x = 10,598.54

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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.