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Finding the Fourth Proportional to 10,589.67, 15,889.92 and 4,670.67

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Solution

The fourth proportional to 10,589.67, 15,889.92 and 4,670.67 is: 7,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.67 : 15,889.92 = 4,670.67 : x
  2. Step 2: Convert to fraction form
    10,589.67/15,889.92 = 4,670.67/x
  3. Step 3: Cross multiply
    10,589.67x = 15,889.92 × 4,670.67
  4. Step 4: Simplify right side
    10,589.67x = 74,216,572.65
  5. Step 5: Solve for x
    x = 74,216,572.65/10,589.67
  6. Step 6: Final answer
    x = 7,008.39

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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.