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Finding the Fourth Proportional to 7,292.59, 10,938.90 and 4,946.79

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Solution

The fourth proportional to 7,292.59, 10,938.90 and 4,946.79 is: 7,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.59 : 10,938.90 = 4,946.79 : x
  2. Step 2: Convert to fraction form
    7,292.59/10,938.90 = 4,946.79/x
  3. Step 3: Cross multiply
    7,292.59x = 10,938.90 × 4,946.79
  4. Step 4: Simplify right side
    7,292.59x = 54,112,500.70
  5. Step 5: Solve for x
    x = 54,112,500.70/7,292.59
  6. Step 6: Final answer
    x = 7,420.20

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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.