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Finding the Fourth Proportional to 14,739.41, 20,339.71 and 8,025.02

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Solution

The fourth proportional to 14,739.41, 20,339.71 and 8,025.02 is: 11,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.41 : 20,339.71 = 8,025.02 : x
  2. Step 2: Convert to fraction form
    14,739.41/20,339.71 = 8,025.02/x
  3. Step 3: Cross multiply
    14,739.41x = 20,339.71 × 8,025.02
  4. Step 4: Simplify right side
    14,739.41x = 163,226,599.61
  5. Step 5: Solve for x
    x = 163,226,599.61/14,739.41
  6. Step 6: Final answer
    x = 11,074.16

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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.