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Finding the Fourth Proportional to 9,935.44, 13,711.62 and 6,572.44

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Solution

The fourth proportional to 9,935.44, 13,711.62 and 6,572.44 is: 9,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.44 : 13,711.62 = 6,572.44 : x
  2. Step 2: Convert to fraction form
    9,935.44/13,711.62 = 6,572.44/x
  3. Step 3: Cross multiply
    9,935.44x = 13,711.62 × 6,572.44
  4. Step 4: Simplify right side
    9,935.44x = 90,118,799.75
  5. Step 5: Solve for x
    x = 90,118,799.75/9,935.44
  6. Step 6: Final answer
    x = 9,070.44

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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.