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Finding the Fourth Proportional to 9,460.63, 13,042.03 and 6,619.20

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Solution

The fourth proportional to 9,460.63, 13,042.03 and 6,619.20 is: 9,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,460.63 : 13,042.03 = 6,619.20 : x
  2. Step 2: Convert to fraction form
    9,460.63/13,042.03 = 6,619.20/x
  3. Step 3: Cross multiply
    9,460.63x = 13,042.03 × 6,619.20
  4. Step 4: Simplify right side
    9,460.63x = 86,327,804.98
  5. Step 5: Solve for x
    x = 86,327,804.98/9,460.63
  6. Step 6: Final answer
    x = 9,124.95

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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.