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Finding the Fourth Proportional to 18,495.86, 25,518.04 and 10,532.44

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Solution

The fourth proportional to 18,495.86, 25,518.04 and 10,532.44 is: 14,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.86 : 25,518.04 = 10,532.44 : x
  2. Step 2: Convert to fraction form
    18,495.86/25,518.04 = 10,532.44/x
  3. Step 3: Cross multiply
    18,495.86x = 25,518.04 × 10,532.44
  4. Step 4: Simplify right side
    18,495.86x = 268,767,225.22
  5. Step 5: Solve for x
    x = 268,767,225.22/18,495.86
  6. Step 6: Final answer
    x = 14,531.21

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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.