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Finding the Fourth Proportional to 18,038.66, 24,884.26 and 12,070.58

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Solution

The fourth proportional to 18,038.66, 24,884.26 and 12,070.58 is: 16,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.66 : 24,884.26 = 12,070.58 : x
  2. Step 2: Convert to fraction form
    18,038.66/24,884.26 = 12,070.58/x
  3. Step 3: Cross multiply
    18,038.66x = 24,884.26 × 12,070.58
  4. Step 4: Simplify right side
    18,038.66x = 300,367,451.07
  5. Step 5: Solve for x
    x = 300,367,451.07/18,038.66
  6. Step 6: Final answer
    x = 16,651.32

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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.