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Finding the Fourth Proportional to 7,663.39, 10,551.23 and 6,962.67

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Solution

The fourth proportional to 7,663.39, 10,551.23 and 6,962.67 is: 9,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.39 : 10,551.23 = 6,962.67 : x
  2. Step 2: Convert to fraction form
    7,663.39/10,551.23 = 6,962.67/x
  3. Step 3: Cross multiply
    7,663.39x = 10,551.23 × 6,962.67
  4. Step 4: Simplify right side
    7,663.39x = 73,464,749.99
  5. Step 5: Solve for x
    x = 73,464,749.99/7,663.39
  6. Step 6: Final answer
    x = 9,586.46

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.