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Finding the Fourth Proportional to 18,035.91, 27,058.86 and 7,510.88

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Solution

The fourth proportional to 18,035.91, 27,058.86 and 7,510.88 is: 11,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.91 : 27,058.86 = 7,510.88 : x
  2. Step 2: Convert to fraction form
    18,035.91/27,058.86 = 7,510.88/x
  3. Step 3: Cross multiply
    18,035.91x = 27,058.86 × 7,510.88
  4. Step 4: Simplify right side
    18,035.91x = 203,235,812.84
  5. Step 5: Solve for x
    x = 203,235,812.84/18,035.91
  6. Step 6: Final answer
    x = 11,268.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.