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Finding the Fourth Proportional to 7,392.11, 10,201.10 and 5,505.30

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Solution

The fourth proportional to 7,392.11, 10,201.10 and 5,505.30 is: 7,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.11 : 10,201.10 = 5,505.30 : x
  2. Step 2: Convert to fraction form
    7,392.11/10,201.10 = 5,505.30/x
  3. Step 3: Cross multiply
    7,392.11x = 10,201.10 × 5,505.30
  4. Step 4: Simplify right side
    7,392.11x = 56,160,088.30
  5. Step 5: Solve for x
    x = 56,160,088.30/7,392.11
  6. Step 6: Final answer
    x = 7,597.31

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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.