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Finding the Fourth Proportional to 7,390.01, 10,198.16 and 4,032.83

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Solution

The fourth proportional to 7,390.01, 10,198.16 and 4,032.83 is: 5,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.01 : 10,198.16 = 4,032.83 : x
  2. Step 2: Convert to fraction form
    7,390.01/10,198.16 = 4,032.83/x
  3. Step 3: Cross multiply
    7,390.01x = 10,198.16 × 4,032.83
  4. Step 4: Simplify right side
    7,390.01x = 41,127,445.59
  5. Step 5: Solve for x
    x = 41,127,445.59/7,390.01
  6. Step 6: Final answer
    x = 5,565.28

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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.