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Finding the Fourth Proportional to 18,555.93, 25,607.31 and 10,058.11

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Solution

The fourth proportional to 18,555.93, 25,607.31 and 10,058.11 is: 13,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.93 : 25,607.31 = 10,058.11 : x
  2. Step 2: Convert to fraction form
    18,555.93/25,607.31 = 10,058.11/x
  3. Step 3: Cross multiply
    18,555.93x = 25,607.31 × 10,058.11
  4. Step 4: Simplify right side
    18,555.93x = 257,561,102.45
  5. Step 5: Solve for x
    x = 257,561,102.45/18,555.93
  6. Step 6: Final answer
    x = 13,880.26

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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.