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Finding the Fourth Proportional to 6,572.81, 9,859.23 and 1,955.81

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Solution

The fourth proportional to 6,572.81, 9,859.23 and 1,955.81 is: 2,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.81 : 9,859.23 = 1,955.81 : x
  2. Step 2: Convert to fraction form
    6,572.81/9,859.23 = 1,955.81/x
  3. Step 3: Cross multiply
    6,572.81x = 9,859.23 × 1,955.81
  4. Step 4: Simplify right side
    6,572.81x = 19,282,805.27
  5. Step 5: Solve for x
    x = 19,282,805.27/6,572.81
  6. Step 6: Final answer
    x = 2,933.72

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Double scale
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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.