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Finding the Fourth Proportional to 7,574.05, 10,455.96 and 5,868.73

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Solution

The fourth proportional to 7,574.05, 10,455.96 and 5,868.73 is: 8,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.05 : 10,455.96 = 5,868.73 : x
  2. Step 2: Convert to fraction form
    7,574.05/10,455.96 = 5,868.73/x
  3. Step 3: Cross multiply
    7,574.05x = 10,455.96 × 5,868.73
  4. Step 4: Simplify right side
    7,574.05x = 61,363,206.13
  5. Step 5: Solve for x
    x = 61,363,206.13/7,574.05
  6. Step 6: Final answer
    x = 8,101.77

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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.