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Finding the Fourth Proportional to 8,730.63, 12,048.03 and 4,751.64

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Solution

The fourth proportional to 8,730.63, 12,048.03 and 4,751.64 is: 6,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.63 : 12,048.03 = 4,751.64 : x
  2. Step 2: Convert to fraction form
    8,730.63/12,048.03 = 4,751.64/x
  3. Step 3: Cross multiply
    8,730.63x = 12,048.03 × 4,751.64
  4. Step 4: Simplify right side
    8,730.63x = 57,247,901.27
  5. Step 5: Solve for x
    x = 57,247,901.27/8,730.63
  6. Step 6: Final answer
    x = 6,557.13

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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.