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Finding the Fourth Proportional to 7,393.66, 11,090.49 and 4,313.50

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Solution

The fourth proportional to 7,393.66, 11,090.49 and 4,313.50 is: 6,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.66 : 11,090.49 = 4,313.50 : x
  2. Step 2: Convert to fraction form
    7,393.66/11,090.49 = 4,313.50/x
  3. Step 3: Cross multiply
    7,393.66x = 11,090.49 × 4,313.50
  4. Step 4: Simplify right side
    7,393.66x = 47,838,828.62
  5. Step 5: Solve for x
    x = 47,838,828.62/7,393.66
  6. Step 6: Final answer
    x = 6,470.25

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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.