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Finding the Fourth Proportional to 22,615.32, 33,916.62 and 9,465.60

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Solution

The fourth proportional to 22,615.32, 33,916.62 and 9,465.60 is: 14,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.32 : 33,916.62 = 9,465.60 : x
  2. Step 2: Convert to fraction form
    22,615.32/33,916.62 = 9,465.60/x
  3. Step 3: Cross multiply
    22,615.32x = 33,916.62 × 9,465.60
  4. Step 4: Simplify right side
    22,615.32x = 321,041,158.27
  5. Step 5: Solve for x
    x = 321,041,158.27/22,615.32
  6. Step 6: Final answer
    x = 14,195.74

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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.