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Finding the Fourth Proportional to 9,624.38, 13,281.64 and 5,208.38

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Solution

The fourth proportional to 9,624.38, 13,281.64 and 5,208.38 is: 7,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,624.38 : 13,281.64 = 5,208.38 : x
  2. Step 2: Convert to fraction form
    9,624.38/13,281.64 = 5,208.38/x
  3. Step 3: Cross multiply
    9,624.38x = 13,281.64 × 5,208.38
  4. Step 4: Simplify right side
    9,624.38x = 69,175,748.71
  5. Step 5: Solve for x
    x = 69,175,748.71/9,624.38
  6. Step 6: Final answer
    x = 7,187.56

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Similar ratio
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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.