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Finding the Fourth Proportional to 7,017.12, 9,687.14 and 4,365.38

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Solution

The fourth proportional to 7,017.12, 9,687.14 and 4,365.38 is: 6,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.12 : 9,687.14 = 4,365.38 : x
  2. Step 2: Convert to fraction form
    7,017.12/9,687.14 = 4,365.38/x
  3. Step 3: Cross multiply
    7,017.12x = 9,687.14 × 4,365.38
  4. Step 4: Simplify right side
    7,017.12x = 42,288,047.21
  5. Step 5: Solve for x
    x = 42,288,047.21/7,017.12
  6. Step 6: Final answer
    x = 6,026.41

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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.