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Finding the Fourth Proportional to 15,616.35, 23,423.09 and 5,228.19

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Solution

The fourth proportional to 15,616.35, 23,423.09 and 5,228.19 is: 7,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.35 : 23,423.09 = 5,228.19 : x
  2. Step 2: Convert to fraction form
    15,616.35/23,423.09 = 5,228.19/x
  3. Step 3: Cross multiply
    15,616.35x = 23,423.09 × 5,228.19
  4. Step 4: Simplify right side
    15,616.35x = 122,460,338.77
  5. Step 5: Solve for x
    x = 122,460,338.77/15,616.35
  6. Step 6: Final answer
    x = 7,841.80

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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.