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Finding the Fourth Proportional to 18,443.58, 25,451.19 and 10,058.46

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Solution

The fourth proportional to 18,443.58, 25,451.19 and 10,058.46 is: 13,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.58 : 25,451.19 = 10,058.46 : x
  2. Step 2: Convert to fraction form
    18,443.58/25,451.19 = 10,058.46/x
  3. Step 3: Cross multiply
    18,443.58x = 25,451.19 × 10,058.46
  4. Step 4: Simplify right side
    18,443.58x = 255,999,776.57
  5. Step 5: Solve for x
    x = 255,999,776.57/18,443.58
  6. Step 6: Final answer
    x = 13,880.16

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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.