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Finding the Fourth Proportional to 9,576.10, 14,345.02 and 7,485.70

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Solution

The fourth proportional to 9,576.10, 14,345.02 and 7,485.70 is: 11,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.10 : 14,345.02 = 7,485.70 : x
  2. Step 2: Convert to fraction form
    9,576.10/14,345.02 = 7,485.70/x
  3. Step 3: Cross multiply
    9,576.10x = 14,345.02 × 7,485.70
  4. Step 4: Simplify right side
    9,576.10x = 107,382,516.21
  5. Step 5: Solve for x
    x = 107,382,516.21/9,576.10
  6. Step 6: Final answer
    x = 11,213.60

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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.