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Finding the Fourth Proportional to 9,762.40, 14,641.98 and 2,741.80

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Solution

The fourth proportional to 9,762.40, 14,641.98 and 2,741.80 is: 4,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.40 : 14,641.98 = 2,741.80 : x
  2. Step 2: Convert to fraction form
    9,762.40/14,641.98 = 2,741.80/x
  3. Step 3: Cross multiply
    9,762.40x = 14,641.98 × 2,741.80
  4. Step 4: Simplify right side
    9,762.40x = 40,145,380.76
  5. Step 5: Solve for x
    x = 40,145,380.76/9,762.40
  6. Step 6: Final answer
    x = 4,112.25

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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.