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Finding the Fourth Proportional to 9,805.02, 13,530.12 and 5,827.14

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Solution

The fourth proportional to 9,805.02, 13,530.12 and 5,827.14 is: 8,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.02 : 13,530.12 = 5,827.14 : x
  2. Step 2: Convert to fraction form
    9,805.02/13,530.12 = 5,827.14/x
  3. Step 3: Cross multiply
    9,805.02x = 13,530.12 × 5,827.14
  4. Step 4: Simplify right side
    9,805.02x = 78,841,903.46
  5. Step 5: Solve for x
    x = 78,841,903.46/9,805.02
  6. Step 6: Final answer
    x = 8,040.97

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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.