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Finding the Fourth Proportional to 5,291.70, 7,955.55 and 4,324.82

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Solution

The fourth proportional to 5,291.70, 7,955.55 and 4,324.82 is: 6,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.70 : 7,955.55 = 4,324.82 : x
  2. Step 2: Convert to fraction form
    5,291.70/7,955.55 = 4,324.82/x
  3. Step 3: Cross multiply
    5,291.70x = 7,955.55 × 4,324.82
  4. Step 4: Simplify right side
    5,291.70x = 34,406,321.75
  5. Step 5: Solve for x
    x = 34,406,321.75/5,291.70
  6. Step 6: Final answer
    x = 6,501.94

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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.