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Finding the Fourth Proportional to 9,632.20, 13,511 and 9,632.20

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Solution

The fourth proportional to 9,632.20, 13,511 and 9,632.20 is: 13,511

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,632.20 : 13,511 = 9,632.20 : x
  2. Step 2: Convert to fraction form
    9,632.20/13,511 = 9,632.20/x
  3. Step 3: Cross multiply
    9,632.20x = 13,511 × 9,632.20
  4. Step 4: Simplify right side
    9,632.20x = 130,140,654.20
  5. Step 5: Solve for x
    x = 130,140,654.20/9,632.20
  6. Step 6: Final answer
    x = 13,511

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.