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Finding the Fourth Proportional to 8,730.41, 12,047.79 and 4,751.63

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Solution

The fourth proportional to 8,730.41, 12,047.79 and 4,751.63 is: 6,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.41 : 12,047.79 = 4,751.63 : x
  2. Step 2: Convert to fraction form
    8,730.41/12,047.79 = 4,751.63/x
  3. Step 3: Cross multiply
    8,730.41x = 12,047.79 × 4,751.63
  4. Step 4: Simplify right side
    8,730.41x = 57,246,640.40
  5. Step 5: Solve for x
    x = 57,246,640.40/8,730.41
  6. Step 6: Final answer
    x = 6,557.15

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1.5x scale

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.