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Finding the Fourth Proportional to 11,752.46, 17,605.18 and 7,069.88

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Solution

The fourth proportional to 11,752.46, 17,605.18 and 7,069.88 is: 10,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.46 : 17,605.18 = 7,069.88 : x
  2. Step 2: Convert to fraction form
    11,752.46/17,605.18 = 7,069.88/x
  3. Step 3: Cross multiply
    11,752.46x = 17,605.18 × 7,069.88
  4. Step 4: Simplify right side
    11,752.46x = 124,466,509.98
  5. Step 5: Solve for x
    x = 124,466,509.98/11,752.46
  6. Step 6: Final answer
    x = 10,590.68

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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.