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Finding the Fourth Proportional to 12,433.01, 17,159.04 and 7,127.81

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Solution

The fourth proportional to 12,433.01, 17,159.04 and 7,127.81 is: 9,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.01 : 17,159.04 = 7,127.81 : x
  2. Step 2: Convert to fraction form
    12,433.01/17,159.04 = 7,127.81/x
  3. Step 3: Cross multiply
    12,433.01x = 17,159.04 × 7,127.81
  4. Step 4: Simplify right side
    12,433.01x = 122,306,451.97
  5. Step 5: Solve for x
    x = 122,306,451.97/12,433.01
  6. Step 6: Final answer
    x = 9,837.24

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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.