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Finding the Fourth Proportional to 7,741.02, 11,612.07 and 3,358.74

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Solution

The fourth proportional to 7,741.02, 11,612.07 and 3,358.74 is: 5,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.02 : 11,612.07 = 3,358.74 : x
  2. Step 2: Convert to fraction form
    7,741.02/11,612.07 = 3,358.74/x
  3. Step 3: Cross multiply
    7,741.02x = 11,612.07 × 3,358.74
  4. Step 4: Simplify right side
    7,741.02x = 39,001,923.99
  5. Step 5: Solve for x
    x = 39,001,923.99/7,741.02
  6. Step 6: Final answer
    x = 5,038.34

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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.