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Finding the Fourth Proportional to 6,693.81, 9,238.08 and 4,043.40

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Solution

The fourth proportional to 6,693.81, 9,238.08 and 4,043.40 is: 5,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.81 : 9,238.08 = 4,043.40 : x
  2. Step 2: Convert to fraction form
    6,693.81/9,238.08 = 4,043.40/x
  3. Step 3: Cross multiply
    6,693.81x = 9,238.08 × 4,043.40
  4. Step 4: Simplify right side
    6,693.81x = 37,353,206.48
  5. Step 5: Solve for x
    x = 37,353,206.48/6,693.81
  6. Step 6: Final answer
    x = 5,580.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.