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Finding the Fourth Proportional to 9,683.21, 14,500.20 and 9,448.10

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Solution

The fourth proportional to 9,683.21, 14,500.20 and 9,448.10 is: 14,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.21 : 14,500.20 = 9,448.10 : x
  2. Step 2: Convert to fraction form
    9,683.21/14,500.20 = 9,448.10/x
  3. Step 3: Cross multiply
    9,683.21x = 14,500.20 × 9,448.10
  4. Step 4: Simplify right side
    9,683.21x = 136,999,339.62
  5. Step 5: Solve for x
    x = 136,999,339.62/9,683.21
  6. Step 6: Final answer
    x = 14,148.13

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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.