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Finding the Fourth Proportional to 16,615, 22,928.40 and 9,061.08

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Solution

The fourth proportional to 16,615, 22,928.40 and 9,061.08 is: 12,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615 : 22,928.40 = 9,061.08 : x
  2. Step 2: Convert to fraction form
    16,615/22,928.40 = 9,061.08/x
  3. Step 3: Cross multiply
    16,615x = 22,928.40 × 9,061.08
  4. Step 4: Simplify right side
    16,615x = 207,756,066.67
  5. Step 5: Solve for x
    x = 207,756,066.67/16,615
  6. Step 6: Final answer
    x = 12,504.13

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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.