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Finding the Fourth Proportional to 14,341.84, 21,513.84 and 3,953.50

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Solution

The fourth proportional to 14,341.84, 21,513.84 and 3,953.50 is: 5,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.84 : 21,513.84 = 3,953.50 : x
  2. Step 2: Convert to fraction form
    14,341.84/21,513.84 = 3,953.50/x
  3. Step 3: Cross multiply
    14,341.84x = 21,513.84 × 3,953.50
  4. Step 4: Simplify right side
    14,341.84x = 85,054,966.44
  5. Step 5: Solve for x
    x = 85,054,966.44/14,341.84
  6. Step 6: Final answer
    x = 5,930.55

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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.