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Finding the Fourth Proportional to 5,333.64, 7,360.71 and 2,975.76

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Solution

The fourth proportional to 5,333.64, 7,360.71 and 2,975.76 is: 4,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.64 : 7,360.71 = 2,975.76 : x
  2. Step 2: Convert to fraction form
    5,333.64/7,360.71 = 2,975.76/x
  3. Step 3: Cross multiply
    5,333.64x = 7,360.71 × 2,975.76
  4. Step 4: Simplify right side
    5,333.64x = 21,903,706.39
  5. Step 5: Solve for x
    x = 21,903,706.39/5,333.64
  6. Step 6: Final answer
    x = 4,106.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.