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Finding the Fourth Proportional to 9,955.68, 14,935.68 and 3,292.46

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Solution

The fourth proportional to 9,955.68, 14,935.68 and 3,292.46 is: 4,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.68 : 14,935.68 = 3,292.46 : x
  2. Step 2: Convert to fraction form
    9,955.68/14,935.68 = 3,292.46/x
  3. Step 3: Cross multiply
    9,955.68x = 14,935.68 × 3,292.46
  4. Step 4: Simplify right side
    9,955.68x = 49,175,128.97
  5. Step 5: Solve for x
    x = 49,175,128.97/9,955.68
  6. Step 6: Final answer
    x = 4,939.40

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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.