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Finding the Fourth Proportional to 18,842, 26,002.30 and 10,344.92

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Solution

The fourth proportional to 18,842, 26,002.30 and 10,344.92 is: 14,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842 : 26,002.30 = 10,344.92 : x
  2. Step 2: Convert to fraction form
    18,842/26,002.30 = 10,344.92/x
  3. Step 3: Cross multiply
    18,842x = 26,002.30 × 10,344.92
  4. Step 4: Simplify right side
    18,842x = 268,991,713.32
  5. Step 5: Solve for x
    x = 268,991,713.32/18,842
  6. Step 6: Final answer
    x = 14,276.18

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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.