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Finding the Fourth Proportional to 9,409.12, 14,113.68 and 2,483.68

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Solution

The fourth proportional to 9,409.12, 14,113.68 and 2,483.68 is: 3,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.12 : 14,113.68 = 2,483.68 : x
  2. Step 2: Convert to fraction form
    9,409.12/14,113.68 = 2,483.68/x
  3. Step 3: Cross multiply
    9,409.12x = 14,113.68 × 2,483.68
  4. Step 4: Simplify right side
    9,409.12x = 35,053,864.74
  5. Step 5: Solve for x
    x = 35,053,864.74/9,409.12
  6. Step 6: Final answer
    x = 3,725.52

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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.