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Finding the Fourth Proportional to 7,101.39, 9,817.63 and 5,329.92

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Solution

The fourth proportional to 7,101.39, 9,817.63 and 5,329.92 is: 7,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.39 : 9,817.63 = 5,329.92 : x
  2. Step 2: Convert to fraction form
    7,101.39/9,817.63 = 5,329.92/x
  3. Step 3: Cross multiply
    7,101.39x = 9,817.63 × 5,329.92
  4. Step 4: Simplify right side
    7,101.39x = 52,327,165.75
  5. Step 5: Solve for x
    x = 52,327,165.75/7,101.39
  6. Step 6: Final answer
    x = 7,368.58

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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.