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Finding the Fourth Proportional to 5,292.79, 7,940.33 and 1,594.74

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Solution

The fourth proportional to 5,292.79, 7,940.33 and 1,594.74 is: 2,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.79 : 7,940.33 = 1,594.74 : x
  2. Step 2: Convert to fraction form
    5,292.79/7,940.33 = 1,594.74/x
  3. Step 3: Cross multiply
    5,292.79x = 7,940.33 × 1,594.74
  4. Step 4: Simplify right side
    5,292.79x = 12,662,744.98
  5. Step 5: Solve for x
    x = 12,662,744.98/5,292.79
  6. Step 6: Final answer
    x = 2,392.45

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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.