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Finding the Fourth Proportional to 18,300.16, 25,254.08 and 10,233.81

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Solution

The fourth proportional to 18,300.16, 25,254.08 and 10,233.81 is: 14,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.16 : 25,254.08 = 10,233.81 : x
  2. Step 2: Convert to fraction form
    18,300.16/25,254.08 = 10,233.81/x
  3. Step 3: Cross multiply
    18,300.16x = 25,254.08 × 10,233.81
  4. Step 4: Simplify right side
    18,300.16x = 258,445,443.65
  5. Step 5: Solve for x
    x = 258,445,443.65/18,300.16
  6. Step 6: Final answer
    x = 14,122.58

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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.