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Finding the Fourth Proportional to 15,930.84, 23,895.33 and 7,616.59

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Solution

The fourth proportional to 15,930.84, 23,895.33 and 7,616.59 is: 11,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.84 : 23,895.33 = 7,616.59 : x
  2. Step 2: Convert to fraction form
    15,930.84/23,895.33 = 7,616.59/x
  3. Step 3: Cross multiply
    15,930.84x = 23,895.33 × 7,616.59
  4. Step 4: Simplify right side
    15,930.84x = 182,000,931.52
  5. Step 5: Solve for x
    x = 182,000,931.52/15,930.84
  6. Step 6: Final answer
    x = 11,424.44

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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.