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Finding the Fourth Proportional to 7,392.94, 10,201 and 4,407.70

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Solution

The fourth proportional to 7,392.94, 10,201 and 4,407.70 is: 6,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.94 : 10,201 = 4,407.70 : x
  2. Step 2: Convert to fraction form
    7,392.94/10,201 = 4,407.70/x
  3. Step 3: Cross multiply
    7,392.94x = 10,201 × 4,407.70
  4. Step 4: Simplify right side
    7,392.94x = 44,962,947.70
  5. Step 5: Solve for x
    x = 44,962,947.70/7,392.94
  6. Step 6: Final answer
    x = 6,081.88

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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.