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Finding the Fourth Proportional to 10,539.99, 15,809.99 and 4,622.67

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Solution

The fourth proportional to 10,539.99, 15,809.99 and 4,622.67 is: 6,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.99 : 15,809.99 = 4,622.67 : x
  2. Step 2: Convert to fraction form
    10,539.99/15,809.99 = 4,622.67/x
  3. Step 3: Cross multiply
    10,539.99x = 15,809.99 × 4,622.67
  4. Step 4: Simplify right side
    10,539.99x = 73,084,343.36
  5. Step 5: Solve for x
    x = 73,084,343.36/10,539.99
  6. Step 6: Final answer
    x = 6,934.01

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Similar ratio
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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.