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Finding the Fourth Proportional to 9,800.93, 13,525.11 and 5,324.64

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Solution

The fourth proportional to 9,800.93, 13,525.11 and 5,324.64 is: 7,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.93 : 13,525.11 = 5,324.64 : x
  2. Step 2: Convert to fraction form
    9,800.93/13,525.11 = 5,324.64/x
  3. Step 3: Cross multiply
    9,800.93x = 13,525.11 × 5,324.64
  4. Step 4: Simplify right side
    9,800.93x = 72,016,341.71
  5. Step 5: Solve for x
    x = 72,016,341.71/9,800.93
  6. Step 6: Final answer
    x = 7,347.91

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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.