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Finding the Fourth Proportional to 9,339.80, 14,025.90 and 9,048.20

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Solution

The fourth proportional to 9,339.80, 14,025.90 and 9,048.20 is: 13,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.80 : 14,025.90 = 9,048.20 : x
  2. Step 2: Convert to fraction form
    9,339.80/14,025.90 = 9,048.20/x
  3. Step 3: Cross multiply
    9,339.80x = 14,025.90 × 9,048.20
  4. Step 4: Simplify right side
    9,339.80x = 126,909,148.38
  5. Step 5: Solve for x
    x = 126,909,148.38/9,339.80
  6. Step 6: Final answer
    x = 13,587.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.