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Finding the Fourth Proportional to 7,458.77, 10,293.02 and 5,553.11

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Solution

The fourth proportional to 7,458.77, 10,293.02 and 5,553.11 is: 7,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.77 : 10,293.02 = 5,553.11 : x
  2. Step 2: Convert to fraction form
    7,458.77/10,293.02 = 5,553.11/x
  3. Step 3: Cross multiply
    7,458.77x = 10,293.02 × 5,553.11
  4. Step 4: Simplify right side
    7,458.77x = 57,158,311.91
  5. Step 5: Solve for x
    x = 57,158,311.91/7,458.77
  6. Step 6: Final answer
    x = 7,663.23

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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.