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Finding the Fourth Proportional to 7,653.02, 11,479.46 and 2,458.89

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Solution

The fourth proportional to 7,653.02, 11,479.46 and 2,458.89 is: 3,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.02 : 11,479.46 = 2,458.89 : x
  2. Step 2: Convert to fraction form
    7,653.02/11,479.46 = 2,458.89/x
  3. Step 3: Cross multiply
    7,653.02x = 11,479.46 × 2,458.89
  4. Step 4: Simplify right side
    7,653.02x = 28,226,717.10
  5. Step 5: Solve for x
    x = 28,226,717.10/7,653.02
  6. Step 6: Final answer
    x = 3,688.31

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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.