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Finding the Fourth Proportional to 18,044, 24,907.50 and 13,580.66

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Solution

The fourth proportional to 18,044, 24,907.50 and 13,580.66 is: 18,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044 : 24,907.50 = 13,580.66 : x
  2. Step 2: Convert to fraction form
    18,044/24,907.50 = 13,580.66/x
  3. Step 3: Cross multiply
    18,044x = 24,907.50 × 13,580.66
  4. Step 4: Simplify right side
    18,044x = 338,260,288.95
  5. Step 5: Solve for x
    x = 338,260,288.95/18,044
  6. Step 6: Final answer
    x = 18,746.41

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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.