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Finding the Fourth Proportional to 8,741.61, 12,063.19 and 4,762.48

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Solution

The fourth proportional to 8,741.61, 12,063.19 and 4,762.48 is: 6,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.61 : 12,063.19 = 4,762.48 : x
  2. Step 2: Convert to fraction form
    8,741.61/12,063.19 = 4,762.48/x
  3. Step 3: Cross multiply
    8,741.61x = 12,063.19 × 4,762.48
  4. Step 4: Simplify right side
    8,741.61x = 57,450,701.11
  5. Step 5: Solve for x
    x = 57,450,701.11/8,741.61
  6. Step 6: Final answer
    x = 6,572.10

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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.