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Finding the Fourth Proportional to 5,342.99, 8,015.93 and 4,828.91

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Solution

The fourth proportional to 5,342.99, 8,015.93 and 4,828.91 is: 7,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.99 : 8,015.93 = 4,828.91 : x
  2. Step 2: Convert to fraction form
    5,342.99/8,015.93 = 4,828.91/x
  3. Step 3: Cross multiply
    5,342.99x = 8,015.93 × 4,828.91
  4. Step 4: Simplify right side
    5,342.99x = 38,708,140.31
  5. Step 5: Solve for x
    x = 38,708,140.31/5,342.99
  6. Step 6: Final answer
    x = 7,244.67

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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.