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Finding the Fourth Proportional to 7,330.60, 10,989.71 and 4,984.01

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Solution

The fourth proportional to 7,330.60, 10,989.71 and 4,984.01 is: 7,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.60 : 10,989.71 = 4,984.01 : x
  2. Step 2: Convert to fraction form
    7,330.60/10,989.71 = 4,984.01/x
  3. Step 3: Cross multiply
    7,330.60x = 10,989.71 × 4,984.01
  4. Step 4: Simplify right side
    7,330.60x = 54,772,866.39
  5. Step 5: Solve for x
    x = 54,772,866.39/7,330.60
  6. Step 6: Final answer
    x = 7,471.81

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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.