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Finding the Fourth Proportional to 9,740, 14,602.70 and 3,162.26

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Solution

The fourth proportional to 9,740, 14,602.70 and 3,162.26 is: 4,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740 : 14,602.70 = 3,162.26 : x
  2. Step 2: Convert to fraction form
    9,740/14,602.70 = 3,162.26/x
  3. Step 3: Cross multiply
    9,740x = 14,602.70 × 3,162.26
  4. Step 4: Simplify right side
    9,740x = 46,177,534.10
  5. Step 5: Solve for x
    x = 46,177,534.10/9,740
  6. Step 6: Final answer
    x = 4,741.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.