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Finding the Fourth Proportional to 7,256.07, 10,867.62 and 7,092.06

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Solution

The fourth proportional to 7,256.07, 10,867.62 and 7,092.06 is: 10,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.07 : 10,867.62 = 7,092.06 : x
  2. Step 2: Convert to fraction form
    7,256.07/10,867.62 = 7,092.06/x
  3. Step 3: Cross multiply
    7,256.07x = 10,867.62 × 7,092.06
  4. Step 4: Simplify right side
    7,256.07x = 77,073,813.10
  5. Step 5: Solve for x
    x = 77,073,813.10/7,256.07
  6. Step 6: Final answer
    x = 10,621.98

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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.