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Finding the Fourth Proportional to 18,083.93, 24,955.09 and 10,530.47

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Solution

The fourth proportional to 18,083.93, 24,955.09 and 10,530.47 is: 14,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.93 : 24,955.09 = 10,530.47 : x
  2. Step 2: Convert to fraction form
    18,083.93/24,955.09 = 10,530.47/x
  3. Step 3: Cross multiply
    18,083.93x = 24,955.09 × 10,530.47
  4. Step 4: Simplify right side
    18,083.93x = 262,788,862.65
  5. Step 5: Solve for x
    x = 262,788,862.65/18,083.93
  6. Step 6: Final answer
    x = 14,531.63

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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.