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Finding the Fourth Proportional to 7,330.47, 10,992.96 and 2,946.45

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Solution

The fourth proportional to 7,330.47, 10,992.96 and 2,946.45 is: 4,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.47 : 10,992.96 = 2,946.45 : x
  2. Step 2: Convert to fraction form
    7,330.47/10,992.96 = 2,946.45/x
  3. Step 3: Cross multiply
    7,330.47x = 10,992.96 × 2,946.45
  4. Step 4: Simplify right side
    7,330.47x = 32,390,206.99
  5. Step 5: Solve for x
    x = 32,390,206.99/7,330.47
  6. Step 6: Final answer
    x = 4,418.57

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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.