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Finding the Fourth Proportional to 4,928.98, 7,393.71 and 4,725.46

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Solution

The fourth proportional to 4,928.98, 7,393.71 and 4,725.46 is: 7,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.98 : 7,393.71 = 4,725.46 : x
  2. Step 2: Convert to fraction form
    4,928.98/7,393.71 = 4,725.46/x
  3. Step 3: Cross multiply
    4,928.98x = 7,393.71 × 4,725.46
  4. Step 4: Simplify right side
    4,928.98x = 34,938,680.86
  5. Step 5: Solve for x
    x = 34,938,680.86/4,928.98
  6. Step 6: Final answer
    x = 7,088.42

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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.