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Finding the Fourth Proportional to 9,037.65, 12,463.65 and 7,635.54

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Solution

The fourth proportional to 9,037.65, 12,463.65 and 7,635.54 is: 10,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.65 : 12,463.65 = 7,635.54 : x
  2. Step 2: Convert to fraction form
    9,037.65/12,463.65 = 7,635.54/x
  3. Step 3: Cross multiply
    9,037.65x = 12,463.65 × 7,635.54
  4. Step 4: Simplify right side
    9,037.65x = 95,166,698.12
  5. Step 5: Solve for x
    x = 95,166,698.12/9,037.65
  6. Step 6: Final answer
    x = 10,530.03

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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.