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Finding the Fourth Proportional to 3,332.73, 4,986.64 and 3,154.74

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Solution

The fourth proportional to 3,332.73, 4,986.64 and 3,154.74 is: 4,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.73 : 4,986.64 = 3,154.74 : x
  2. Step 2: Convert to fraction form
    3,332.73/4,986.64 = 3,154.74/x
  3. Step 3: Cross multiply
    3,332.73x = 4,986.64 × 3,154.74
  4. Step 4: Simplify right side
    3,332.73x = 15,731,552.67
  5. Step 5: Solve for x
    x = 15,731,552.67/3,332.73
  6. Step 6: Final answer
    x = 4,720.32

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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.