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Finding the Fourth Proportional to 15,953.84, 23,930.75 and 4,266.75

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Solution

The fourth proportional to 15,953.84, 23,930.75 and 4,266.75 is: 6,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.84 : 23,930.75 = 4,266.75 : x
  2. Step 2: Convert to fraction form
    15,953.84/23,930.75 = 4,266.75/x
  3. Step 3: Cross multiply
    15,953.84x = 23,930.75 × 4,266.75
  4. Step 4: Simplify right side
    15,953.84x = 102,106,538.23
  5. Step 5: Solve for x
    x = 102,106,538.23/15,953.84
  6. Step 6: Final answer
    x = 6,400.13

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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.