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Finding the Fourth Proportional to 10,641.84, 15,962.76 and 3,716.34

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Solution

The fourth proportional to 10,641.84, 15,962.76 and 3,716.34 is: 5,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.84 : 15,962.76 = 3,716.34 : x
  2. Step 2: Convert to fraction form
    10,641.84/15,962.76 = 3,716.34/x
  3. Step 3: Cross multiply
    10,641.84x = 15,962.76 × 3,716.34
  4. Step 4: Simplify right side
    10,641.84x = 59,323,043.50
  5. Step 5: Solve for x
    x = 59,323,043.50/10,641.84
  6. Step 6: Final answer
    x = 5,574.51

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Similar ratio
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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.