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Finding the Fourth Proportional to 11,495.46, 15,857.46 and 7,520.52

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Solution

The fourth proportional to 11,495.46, 15,857.46 and 7,520.52 is: 10,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.46 : 15,857.46 = 7,520.52 : x
  2. Step 2: Convert to fraction form
    11,495.46/15,857.46 = 7,520.52/x
  3. Step 3: Cross multiply
    11,495.46x = 15,857.46 × 7,520.52
  4. Step 4: Simplify right side
    11,495.46x = 119,256,345.08
  5. Step 5: Solve for x
    x = 119,256,345.08/11,495.46
  6. Step 6: Final answer
    x = 10,374.21

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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.