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Finding the Fourth Proportional to 7,130.22, 9,835.49 and 4,473.01

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Solution

The fourth proportional to 7,130.22, 9,835.49 and 4,473.01 is: 6,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.22 : 9,835.49 = 4,473.01 : x
  2. Step 2: Convert to fraction form
    7,130.22/9,835.49 = 4,473.01/x
  3. Step 3: Cross multiply
    7,130.22x = 9,835.49 × 4,473.01
  4. Step 4: Simplify right side
    7,130.22x = 43,994,268.60
  5. Step 5: Solve for x
    x = 43,994,268.60/7,130.22
  6. Step 6: Final answer
    x = 6,170.12

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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.